Commons:National Archives and Records Administration/Categorize/US National Archives series: Photograph albums, compiled 1903 - 1972

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Category:US National Archives series: Photograph albums, compiled 1903 - 1972
No. File Categorized?
1 "Boulder City, Nevada, commercial development at intersection of Nevada highway and Avenue B." - NARA - 293612.tif ✓ Done
2 "View looking across Nevada highway eastward through Arizona Street showing theater building in course of... - NARA - 293613.tif ✓ Done
3 "Federal garage at Boulder City, Nevada. View from southeast." - NARA - 293614.tif ✓ Done
4 "Government residences, 3 and 4-bedroom - Specifications No. 545-D, being erected on Utah Street, Boulder City, Nevada." - NARA - 293615.tif ✓ Done
5 "Government residences, six room, specifications No. 540-D. View showing grading operations preparatory to landscaping." - NARA - 293616.tif ✓ Done
6 "Nursery stock in heeling-in grounds at Boulder City, awaiting transplanting in permanent location." - NARA - 293617.tif ✓ Done
7 "Top soil blanketing operations around Administration Bldg. Boulder City preparatory to planting. One foot of top... - NARA - 293618.tif ✓ Done
8 "Planting and landscaping around Administration Bldg., Boulder City. View from southeast." - NARA - 293619.tif ✓ Done
9 "Planting and landscaping around Government dormitory, Boulder City. View from southwest." - NARA - 293620.tif ✓ Done
10 "Planting trees in parkways along Boulder City Streets. Chief landscape gardener Wilbur W. Weed, in charge of this... - NARA - 293621.tif ✓ Done
11 "View looking southeast across Boulder City business section and Escalante Plaza, Boulder City, showing planting and... - NARA - 293622.tif ✓ Done
12 "Cottages erected by Six Companies, Inc., in recently developed section in southeast limits of Boulder City Nevada.... - NARA - 293623.tif ✓ Done
13 "Looking Southwest across park towards Six Companies' area, Boulder City, Nevada. View shows beginning of landscape... - NARA - 293624.tif ✓ Done
14 "Automatic graphic recording devices at Six Companies' low level concrete rising plant." - NARA - 293625.tif ✓ Done
15 "Automatic scale dials and cement batchers at Six Companies' low level concrete mixing plant." - NARA - 293626.tif ✓ Done
16 "Rock crusher at Six Companies' gravel screening and washing plant." - NARA - 293627.tif ✓ Done
17 "Raw aggregate storage piles at Six Companies' gravel screening and washing plant." - NARA - 293628.tif ✓ Done
18 Sand and coarse aggregate batchers on upper batching deck at Six Companies' low level concrete mixing plant. - NARA - 293629.tif
19 "Group including members of the Concrete Consulting Board at the Six Companies' screening and washing plant. From... - NARA - 293630.tif ✓ Done
20 "Looking downstream through diversion tunnel No. 2 from point near inlet portal. Tracks over which gantry crane... - NARA - 293631.tif ✓ Done
21 "Stripping operations at Arizona gravel deposit. View looking downstream shows full depth of cut." - NARA - 293632.tif ✓ Done
22 "Loading concrete into 2-yd. bottom dump buckets at Six Companies' low level concrete mixing plant. Buckets are... - NARA - 293633.tif ✓ Done
23 "Looking northeast into Hemenway Wash from Government Administration Building, Boulder City." - NARA - 293634.tif ✓ Done
24 "Looking downstream into lower Black Canyon from point on Six Companies' construction road on Nevada side. Arizona... - NARA - 293635.tif ✓ Done
25 "Unloading cement at Six Companies low level concrete mixing plant." - NARA - 293636.tif ✓ Done
26 "Old concrete testing laboratory near Las Vegas, Nevada." - NARA - 293637.tif ✓ Done
27 "Reservoir on irrigated ranch in the vicinity of Hoover Dam." - NARA - 293638.tif ✓ Done
28 "Avenue of poplars on irrigated ranch in the vicinity of Hoover Dam." - NARA - 293639.tif ✓ Done
29 "Home on irrigated ranch in the vicinity of Hoover Dam." - NARA - 293640.tif ✓ Done
30 "Truck mounted drill rig used by Six Companies in upper portion of diversion tunnels. Rig is seen in the position in... - NARA - 293641.tif ✓ Done
31 "Gentry crane unloading bottom dump concrete buckets from truck in diversion tunnel No. 2" - NARA - 293642.tif ✓ Done
32 "Operations at inlet portal of diversion tunnel No. 2. Invert concrete and trashrack transition base are seen." - NARA - 293643.tif ✓ Done
33 "Looking down into aggregate conveyor at Six Companies' low level concrete mixing plant." - NARA - 293644.tif ✓ Done
34 "Group of visitors photographed on Lookout Point with Construction Engineer Walker R. Young. Left to right, Walker R.... - NARA - 293645.tif ✓ Done
35 "Forms for trashrack structure in place at inlet portal of diversion tunnel No. 3. Port through which tunnel concrete... - NARA - 293646.tif ✓ Done
36 "Rigger-rodman working with topography survey party in Black Canyon on Nevada side. Rodman is lowered over canyon rim... - NARA - 293647.tif ✓ Done
37 "Government residence at Boulder City showing the development of lawn and landscaping." - NARA - 293648.tif ✓ Done
38 "Government residences at Boulder City, showing development of lawns and landscaping." - NARA - 293649.tif ✓ Done
39 "Looking downstream into excavation for Nevada spillway structure. Flat face of cut at far end of excavation marks... - NARA - 293650.tif ✓ Done
40 "General view of treating and filtration plant, Boulder City Water Supply. View from east." - NARA - 293651.tif ✓ Done
41 "Interior of treating and filtration plant, Boulder City water supply. Rapid sand filters and controls at left." - NARA - 293652.tif ✓ Done
42 "Testing laboratory at treating and filtration plant, Boulder City Water Supply." - NARA - 293653.tif ✓ Done
43 "Mixing tanks and clarifying basins at treating and filtration plant, Boulder City Water Supply." - NARA - 293654.tif ✓ Done
44 "Pipe gallery at treating and filtration plant, Boulder City Water Supply. Pump section at right." - NARA - 293655.tif ✓ Done
45 "General view of Six Companies' gravel screening and washing plant at Three-way R.R. junction. View from hill to... - NARA - 293656.tif ✓ Done
46 "Portion of the field forces of the Bureau of Reclamation employed on surveys and inspection at Hoover Dam. Field... - NARA - 293657.tif ✓ Done
47 "Cooling unit installed in the mails and files office. U.S. Administration Building, Boulder City." - NARA - 293658.tif ✓ Done
48 "Cooling units as installed in the office engineer's drafting team, Government Administration Building, Boulder City... - NARA - 293659.tif ✓ Done
49 "Dual compressor installation serving cooling system, Government Administration Building, Boulder City, Nevada." - NARA - 293660.tif ✓ Done
50 "Single compressor installation serving cooling system, Government Administration Building." - NARA - 293661.tif ✓ Done
51 "Side-wall concrete forms in place in diversion tunnel No. 2. View from "raw" or unconcreted end of jumbo. Truck is... - NARA - 293662.tif ✓ Done
52 "Side-wall concrete in place in diversion tunnel No. 3. Two methods of wetting are shown. At right sprinkler system... - NARA - 293663.tif ✓ Done
53 "General view of operations in placing side-wall concrete in diversion tunnel No. 2. Note truck on floor in... - NARA - 293664.tif ✓ Done
54 "Residence of Office Engineer John C. Page. Bureau of Reclamation, Boulder City, Nevada, showing development of lawn... - NARA - 293665.tif ✓ Done
55 "Residence of Construction Engineer Walker R. Young, Bureau of Reclamation, Boulder City, showing development of lawn... - NARA - 293666.tif ✓ Done
56 "Side-wall concrete in place in diversion tunnel No. 2 near inlet. Photo taken after fourteenth day after pouring... - NARA - 293667.tif ✓ Done
57 "Looking downstream into open cut and excavation for Arizona spillway. Shovel is near location of inclined spillway... - NARA - 293668.tif ✓ Done
58 "Looking downstream into open cut and excavation for Arizona spillway. Shovel is near location of inclined spillway... - NARA - 293669.tif ✓ Done
59 "Looking toward canyon through excavation of forebay at Arizona spillway. Cliffs on Nevada side seen in background... - NARA - 293670.tif ✓ Done
60 "Looking into Black Canyon at Nevada Diversion Tunnel intake portals from top of canyon wall on Arizona side. Trash... - NARA - 293671.tif ✓ Done
61 "Fabricating steel-frame carriages for top arch concrete forms near diversion tunnel intakes on Nevada side. Note... - NARA - 293672.tif ✓ Done
62 "Detail of lower section of side-wall forms for lining diversion tunnels showing chutes through which concrete passes... - NARA - 293673.tif ✓ Done
63 "Tamping concrete behind forms in placing side-wall concrete in diversion tunnel lining. Photo taken when pour was... - NARA - 293674.tif ✓ Done
64 "Side-wall concrete forms in place in diversion tunnel No. 2. Truck with dump buckets seen in aisle under jumbo." - NARA - 293675.tif ✓ Done
65 "Traveler crane handling dump bucket at top of side-wall forms in diversion tunnel No. 2. Concrete is dumped from... - NARA - 293676.tif ✓ Done
66 "Cleaning invert excavation ahead of tunnel lining operations in diversion tunnel No. 2. Spoil is loaded by shovel... - NARA - 293677.tif ✓ Done
67 "Type of highway marker erected by the Automobile Club of Southern California throughout Boulder City and the Boulder... - NARA - 293678.tif ✓ Done
68 "Looking northeast into Nevada Highway, Boulder City, through the arcade of the Boulder City Stores." - NARA - 293679.tif ✓ Done
69 "Looking southwest into Nevada highway, Boulder City, thru arcade of the terminal bldg." - NARA - 293680.tif ✓ Done
70 "Residence of Chief Clerk Earle R. Mills, Bureau of Reclamation, Boulder City, Nev., showing development of lawn and... - NARA - 293681.tif ✓ Done
71 "Exchange cabinet installation of the government automatic telephone system in basement of Administration Bldg.... - NARA - 293682.tif ✓ Done
72 "Detail view of exchange cabinet of government private automatic telephone system in basement of Administration... - NARA - 293683.tif ✓ Done
73 "Fire house ^amp, equipment in federal garage, Boulder City." - NARA - 293684.tif ✓ Done
74 "Official car storage in federal garage, Boulder City." - NARA - 293685.tif ✓ Done
75 "View in lobby of Administration Building, Boulder City." - NARA - 293686.tif ✓ Done
76 "Construction Engineer, Walker R. Young, Bureau of Reclamation, Boulder Canyon Project, in his office in the... - NARA - 293687.tif ✓ Done
77 Concrete gun carriage used in placing 110 degree top-arch concrete in diversion tunnels - NARA - 293688.tif
78 Concrete gun carriage used in placing 110 degree top-arch concrete in diversion tunnels - NARA - 293689.tif
79 "Steel frame carriage supporting form for 110 degree top-arch concrete in diversion tunnel lining. Note jacks and... - NARA - 293690.tif ✓ Done
80 "Top-arch form in position under portal of diversion tunnel No. 2. Forms of trashrack structure abutment are seen." - NARA - 293691.tif ✓ Done
81 "Completed concrete tunnel lining near inlet portal of diversion tunnel No. 4. Coating of moisture reserving paint is... - NARA - 293692.tif ✓ Done
82 "Side-wall concrete in place in diversion tunnel No. 2." - NARA - 293693.tif ✓ Done
83 "Pouring invert concrete in diversion tunnel No. 3. See also previous photographs for more detailed description of... - NARA - 293694.tif ✓ Done
84 "Excavation and forms for tunnel plug lining in diversion tunnel No. 4. The concrete face of the upstream 6' offset... - NARA - 293695.tif ✓ Done
85 "Excavation and forms for tunnel plug in diversion tunnel No. 4." - NARA - 293696.tif ✓ Done
86 "Side-wall concrete forms in place in diversion tunnel No. 4. See previous photographs for more complete description... - NARA - 293697.tif ✓ Done
87 "Pouring side wall concrete in diversion tunnel No. 4. In this instance two forms are in use with alternate... - NARA - 293698.tif ✓ Done
88 "Cleaning rock floor preparatory to pouring invert concrete in diversion tunnel No. 4. Tractor bulldozer in... - NARA - 293699.tif ✓ Done
89 "Panorama of Boulder City, Nevada from Water Tank Hill showing construction progress to date." - NARA - 293700.tif ✓ Done
90 "Panorama of Boulder City, Nevada from Water Tank Hill showing construction progress to date." - NARA - 293701.tif ✓ Done
91 "Panorama of Boulder City, Nevada from Water Tank Hill showing construction progress to date." - NARA - 293702.tif ✓ Done
92 "Panorama of Boulder City, Nevada from Water Tank Hill showing construction progress to date." - NARA - 293703.tif ✓ Done
93 "Panorama of Boulder City, Nevada from Water Tank Hill showing construction progress to date." - NARA - 293704.tif ✓ Done
94 "Boulder City Municipal American Legion Band, Director Otto J. Littler, U.S.B.R., standing sixth from left, back row." - NARA - 293705.tif ✓ Done
95 "Major units of Boulder City Water Supply. View from West showing 2,000,000 gal. storage tank on hill, 100,000... - NARA - 293706.tif ✓ Done
96 "View of Administration Building area, Boulder City, showing development of landscaping." - NARA - 293707.tif ✓ Done
97 "Lookout Point on rim of Black Canyon on Nevada side. Top of point will be removed to provide for movable tower... - NARA - 293708.tif ✓ Done
98 "Blasting operations below Lookout Point for Black Canyon Highway." - NARA - 293709.tif ✓ Done
99 "Arizona intake towers location as seen from point on Nevada side upstream from Nevada spillway location.... - NARA - 293710.tif ✓ Done
100 "High-scalers at work above inlet portal of Diversion Tunnel No. 1. Offset at right marks the upper reaches of the... - NARA - 293711.tif ✓ Done
101 "Laboratory established in the Municipal Building, Boulder City, for purpose of investigating the effects of high... - NARA - 293712.tif ✓ Done
102 "Looking downstream into the excavation for the Arizona spillway. High fill at left is runway for Six Companies'... - NARA - 293713.tif ✓ Done
103 "High-scalers at work on the Arizona intake towers location some 550' above the level of the Colorado River. The... - NARA - 293714.tif ✓ Done
104 "Residence of Construction Engineer, Walker R. Young, Bureau of Reclamation, Boulder City, Nevada." - NARA - 293715.tif ✓ Done
105 "School building under construction by the Federal Government at Boulder City, Nevada." - NARA - 293716.tif ✓ Done
106 "Moving picture theater operated under permit at Boulder City, Nevada." - NARA - 293717.tif ✓ Done
107 "The blast which removed the top of Lookout Point to provide location for cableway runway. Black Canyon Highway... - NARA - 293718.tif ✓ Done
108 "Blasting operations at Lookout Point on the Nevada rim of Black Canyon. The point which was used for over a year as... - NARA - 293719.tif ✓ Done
109 "Looking upstream into Black Canyon toward Hoover Damsite from point on Six Companies Construction road on Nevada side." - NARA - 293720.tif ✓ Done
110 "High-scalers at work in location for Arizona intake towers." - NARA - 293721.tif ✓ Done
111 "Temporary 34 room dormitory under construction by the Bureau of Reclamation, Boulder City, view from northwest... - NARA - 293722.tif ✓ Done
112 "School building under construction by the Federal Government, Boulder City. View from southeast." - NARA - 293723.tif ✓ Done
113 "Government Administration Building and grounds as seen from the roof of the school building, Boulder City. View... - NARA - 293724.tif ✓ Done
114 "View at outlet portals of Nevada diversion tunnels during flash flood of August 31, 1932. The lower reaches of all... - NARA - 293725.tif ✓ Done
115 "Scene at outlet portal of diversion tunnel No. 2 during flash flood of August 31, 1932. Workmen are installing high... - NARA - 293726.tif ✓ Done
116 "Water breaking through earth and rock fill dike at outlet portal of diversion tunnel No. 2 during flash flood of... - NARA - 293727.tif ✓ Done
117 "Secretary of the Interior Ray Lyman Wilbur photographed in front of outlet portal of tunnel No. 2 during his tour of... - NARA - 293728.tif ✓ Done
118 "Inspection party accompanying the Secretary of the Interior photographed in Black Canyon." - NARA - 293729.tif ✓ Done
119 "Inspection party accompanying the Secretary of the Interior photographed in Black Canyon." - NARA - 293730.tif ✓ Done
120 "School children in the grades of the Boulder City Public School photographed in front of school building which was... - NARA - 293731.tif ✓ Done
121 "Teaching staff of the Boulder City Grade School." - NARA - 293732.tif ✓ Done
122 "Fourth grade, Boulder City, Nevada, public school." - NARA - 293733.tif ✓ Done
123 "Sixth grade, Boulder City, Nevada, public school." - NARA - 293734.tif ✓ Done
124 View looking into Black Canyon from rim of the Arizona wall showing operations in the early stages of the upper... - NARA - 293735.tif
125 "Preliminary cofferdam construction. River is diverted through Arizona side of channel by temporary cofferdams the... - NARA - 293736.tif ✓ Done
126 "Looking downstream through Diversion Tunnel No. 2 showing completed concrete pour. Upper portion is painted with... - NARA - 293737.tif ✓ Done
127 "Sidewall tunnel forms being utilized in forming bulkhead gate structure at inlet portal of Diversion Tunnel No. 1." - NARA - 293738.tif ✓ Done
128 "Bulkhead gate structure and trash rack structure at inlet portals of diversion Tunnel Nos. 4 and 3 as seen from the... - NARA - 293739.tif ✓ Done
129 "Looking downstream into excavation for Arizona spillway." - NARA - 293740.tif ✓ Done
130 "Looking into Arizona spillway basin from high cableway runway on Nevada side. Note cableway runway at Elevation 1360... - NARA - 293741.tif ✓ Done
131 "Cableway runway at Elev. 1360 above Arizona spillway as seen from hill above spillway basin." - NARA - 293742.tif ✓ Done
132 "Excavation for Arizona intake towers as seen from point upstream on Nevada side. A close inspection of photo will... - NARA - 293743.tif ✓ Done
133 "Looking downstream into excavation for Nevada spillway. Cableway runway location is marked by excavation and forms... - NARA - 293744.tif ✓ Done
134 "Indians employed on the construction of Hoover Dam as high-scalers. This group includes one Yaqui, one Crow, one... - NARA - 293745.tif ✓ Done
135 "Apache Indians employed as high-scalers on the construction of Hoover Dam." - NARA - 293746.tif ✓ Done
136 "Negroes employed as drillers on the construction of Hoover Dam." - NARA - 293747.tif ✓ Done
137 "Blasting operations in Arizona and Nevada intake tower locations." - NARA - 293748.tif ✓ Done
138 "Looking down into upper Cofferdam excavation from rim of Black Canyon on Arizona side. Canyon wall in foreground... - NARA - 293749.tif ✓ Done
139 "Looking downstream into upper cofferdam excavation. Dike and constricted river channel at left." - NARA - 293750.tif ✓ Done
140 "Bulkhead gate mechanism in storage at Boulder City. Portion of toggle assembly and rollers in foreground, hydraulic... - NARA - 293751.tif ✓ Done
141 "Bulkhead gate steel arriving at Boulder City Railroad yards." - NARA - 293752.tif ✓ Done
142 "Tourists viewing workings at Hoover Damsite from observation point on Black Canyon Highway. An average of about... - NARA - 293753.tif ✓ Done
143 "Looking downstream into Black Canyon from point on Nevada side above outlet portals of diversion tunnels." - NARA - 293754.tif ✓ Done
144 "Erecting movable tower for 20-ton cableway to operate over Hoover Damsite. Note inclined rail on canyon side of... - NARA - 293755.tif ✓ Done
145 "Completed tunnel lining in Diversion Tunnel No. 4. Invert truck road has been removed disclosing full section." - NARA - 293756.tif ✓ Done
146 "Completed tunnel lining at intake portal of Diversion Tunnel No. 4, view looking toward entrance. Pressure grouting... - NARA - 293757.tif ✓ Done
147 "Pressure grouting jumbo in operation in Diversion Tunnel No. 4. Grout is mixed at location and impelled into the... - NARA - 293758.tif ✓ Done
148 "Bulkhead gate structure at inlet portal of Diversion Tunnel No. 4. Semi-circular structure in front of portal is... - NARA - 293759.tif ✓ Done
149 "Drillers and scalers at work in intake tower locations on Nevada side. Note five-yard dragline excavator in upper... - NARA - 293760.tif ✓ Done
150 "President Herbert Hoover and official party in Tunnel No. 2 during inspection tour of Boulder Canyon Project. Left... - NARA - 293761.tif ✓ Done
151 "General view of Black Canyon looking upstream toward damsite showing conditions immediately prior to diversion of... - NARA - 293762.tif ✓ Done
152 "General view of Black Canyon looking upstream toward damsite showing conditions immediately prior to diversion of... - NARA - 293763.tif ✓ Done
153 "View looking upstream into cofferdam area from overhead cableway showing cofferdam excavation and temporary earth... - NARA - 293764.tif ✓ Done
154 "Looking downstream into upper cofferdam operations along Nevada abutment. Note percolation stops and interlocking... - NARA - 293765.tif ✓ Done
155 "High-scalers working on Arizona abutment." - NARA - 293766.tif ✓ Done
156 "Inlet portals of Diversion Tunnels Nos. 3 and 4 showing diversion of river flow by temporary dike shown at right.... - NARA - 293767.tif ✓ Done
157 "Looking downstream into upper cofferdam excavation. Percolation stops seen at right against Nevada abutment." - NARA - 293768.tif ✓ Done
158 "View showing conditions at outlet portals of Diversion tunnels Nos. 3 and 4 after diversion. Temporary backwash dike... - NARA - 293769.tif ✓ Done
159 "Looking down into upper cofferdam excavation from rim of Arizona side near Triangulation Point P-17. View shows... - NARA - 293770.tif ✓ Done
160 "Temporary diversion dike being constructed upstream from cofferdam location. This structure was begun immediately... - NARA - 293771.tif ✓ Done
161 "Survey party at work on Nevada abutment." - NARA - 293772.tif ✓ Done
162 "Blasting in Black Canyon." - NARA - 293773.tif ✓ Done
163 "Colorado River Board and Bureau of Reclamation official before entrance to Administration Building. Boulder City.... - NARA - 293774.tif ✓ Done
164 "Movable cableway towers under construction on rim, Nevada side. Thrust rail seen in foreground." - NARA - 293775.tif ✓ Done
165 "First water to pass through diversion tunnels flowing from outlet portal of Diversion Tunnel. No. 3. This photo... - NARA - 293776.tif ✓ Done
166 "Water flowing into inlet portal of Diversion Tunnel No. 4 about an hour after earth barrier had been removed by... - NARA - 293777.tif ✓ Done
167 "Looking upstream onto upper cofferdam operations from point on Arizona abutment. Fill is approaching maximum... - NARA - 293778.tif ✓ Done
168 "Inlet portal, Diversion Tunnel No. 4, showing bulkhead gate steel erected in structure." - NARA - 293779.tif ✓ Done
169 "Inlet portal of Diversion Tunnel No. 3." - NARA - 293780.tif ✓ Done
170 "Looking upstream through Black Canyon toward Hoover Damsite showing extent to which lower level of canyon is choked... - NARA - 293781.tif ✓ Done
171 "Operations on upper cofferdam construction, view looking toward Arizona abutment." - NARA - 293782.tif ✓ Done
172 "Arizona end of upper cofferdam showing interlocking steel sheet-piling at toe of slope and forms for concrete... - NARA - 293783.tif ✓ Done
173 "Complete view of movable cableway tower seen in No. 1490." - NARA - 293784.tif ✓ Done
174 "Movable cableway installation behind Arizona spillway location. These two towers, together with those seen in Nos.... - NARA - 293785.tif ✓ Done
175 "Looking into location of high level concrete mixing plant. Aggregate hoppers for plant seen in background. Extension... - NARA - 293786.tif ✓ Done
176 "Office of Babcock ^amp, Wilcox Co., near their mill site below tunnel No. 5 on U.S. Construction railroad." - NARA - 293787.tif ✓ Done
177 "Frame work for Babcock ^amp, Wilcox rolling mill under construction at site below Tunnel No. 5 on U.S. Construction... - NARA - 293788.tif ✓ Done
178 "Looking upstream into Black Canyon toward Hoover Dam site showing outlet portals of four diversion tunnels and... - NARA - 293789.tif ✓ Done
179 "Panorama of upstream face of upstream cofferdam. Crest of fill at maximum elevation 720. Concrete surface in progress." - NARA - 293790.tif ✓ Done
180 "Looking into location of Six Companies, Inc., high level mixing plant. Aggregate bins in background. Forms for mixer... - NARA - 293791.tif ✓ Done
181 "Looking upstream through Black Canyon toward Hoover Damsite. View showing condition of canyon prior to inauguration... - NARA - 293792.tif ✓ Done
182 "Looking upstream through Black Canyon toward Hoover Damsite showing condition after diversion of Colorado River.... - NARA - 293793.tif ✓ Done
183 "Looking downstream against upstream face of upstream cofferdam showing concrete surfacing in progress on Nevada end.... - NARA - 293794.tif ✓ Done
184 "Looking down into lower cofferdam site from top of Nevada side. Material is being placed along entire longitudinal... - NARA - 293795.tif ✓ Done
185 "Lower cofferdam operations as seen from Arizona outlet valve house location. Forms and excavations for percolation... - NARA - 293796.tif ✓ Done
186 "Looking down onto downstream rock backwash barrier. Construction road operates against Arizona abutment." - NARA - 293797.tif ✓ Done
187 "Excavation for Nevada canyon wall outlet works and conduits. View looks directly against canyon wall and shows the... - NARA - 293798.tif ✓ Done
188 "Looking down into excavation for Nevada power house. View shows power penstock tunnels through which construction... - NARA - 293799.tif ✓ Done
189 "Sixteen-yard trucks used in handling spoil on lower level operations in Black Canyon. Here trucks are dumping spoil... - NARA - 293800.tif ✓ Done
190 "Babcock and Wilcox Co., steel mill structure in process of erection at Bechtel station, Boulder Canyon Project." - NARA - 293801.tif ✓ Done
191 "Boulder Canyon Outlet portal of diversion tunnel No. 2 showing Stoney gate steel in place above portal and form work... - NARA - 293802.tif ✓ Done
192 "Boulder Canyon Steel work for permanent 150-ton cableway operating tower in progress of erection." - NARA - 293803.tif ✓ Done
193 "Boulder Canyon movable cableway tower operating over Hoover damsite. This photograph shows a typical installation.... - NARA - 293804.tif ✓ Done
194 "Six Companies' high level concrete mixing plant nearing completion at Nevada approach. Aggregate storage seen at... - NARA - 293805.tif ✓ Done
195 "Excavation for Arizona intake towers nearly complete." - NARA - 293806.tif ✓ Done
196 "Dead weight test on one of Six Companies' 20-ton cableways. Span is designed to a 20-ton capacity and is being... - NARA - 293807.tif ✓ Done
197 "Panorama of canyon rim above Hoover damsite on the Nevada side. From left to right are seen, Operating tower for... - NARA - 293808.tif ✓ Done
198 "Caterpillar tractor with sheep's foot tamper used in compacting material cofferdam fills." - NARA - 293809.tif ✓ Done
199 "Heavy duty trucks handling material for downstream cofferdam fill." - NARA - 293810.tif ✓ Done
200 "Foundation framework and reinforcing steel for 150-ton permanent cableway hoist house." - NARA - 293811.tif ✓ Done
201 "Looking upstream at Hoover damsite toward upper cofferdam across excavation for power house location." - NARA - 293812.tif ✓ Done
202 "Looking upstream into Black Canyon toward Hoover damsite showing four diversion tunnel outlets." - NARA - 293813.tif ✓ Done
203 "View of a portion of Boulder City from Upper Tank Hill showing residences under construction by Babcock ^amp, Wilcox... - NARA - 293814.tif ✓ Done
204 "Six Companies Inc. high level concrete mixing plant showing loading, mixing, and control decks with cement storage... - NARA - 293815.tif ✓ Done
205 "Aggregate storage at Six Companies' Inc., high level concrete mixing plant. Conveyor to mixing plant proper seen at... - NARA - 293816.tif ✓ Done
206 "Truck carrying two 4-yard agitators being loaded at Six Companies, Inc., high level concrete mixing plant. Concrete... - NARA - 293817.tif ✓ Done
207 "Head tower and hoist house for 150-ton permanent cableway under construction." - NARA - 293818.tif ✓ Done
208 "Unloading carriage for 150-ton permanent cableway at Boulder City storage yards. This unit weighs 19 tons." - NARA - 293819.tif ✓ Done
209 "Hoisting drums for permanent 150-ton cableway in storage at Boulder City yards." - NARA - 293820.tif ✓ Done
210 "Cables and sockets for permanent 150-ton cableway in storage at Boulder City yards. These are 3-1-2" fabrications... - NARA - 293821.tif ✓ Done
211 "Concreting operations in weir foundation at Nevada Spillway." - NARA - 293822.tif ✓ Done
212 "View looking upstream through Black Canyon showing downstream cofferdam and rock backwash barrier. Excavation in dam... - NARA - 293823.tif ✓ Done
213 "Concentration of excavating equipment working in dam substructure site. This shows six 3-1-2 yard shovels in the... - NARA - 293824.tif ✓ Done
214 "Dragline excavator working in dam substructure excavation at approximate elevation 550. Note deposition of river... - NARA - 293825.tif ✓ Done
215 "Workmen going on shift in skip operated over Six Companies Inc., Cableway No. 9." - NARA - 293826.tif ✓ Done
216 "Typical interior view of head tower of one of Six Companies Inc., cableway installations. View from switch deck... - NARA - 293827.tif ✓ Done
217 "Hoist, conveyor and dump drums in head tower No. 5 of Six Companies Inc., cableway. A typical arrangement. View from... - NARA - 293828.tif ✓ Done
218 "General view of interior of Babcock and Wilcox Company fabricating and rolling mill at Bechtel Station." - NARA - 293829.tif ✓ Done
219 "Lathe for machining ends of pipe sections at Babcock and Wilcox Company mill." - NARA - 293830.tif ✓ Done
220 "Plate bending roller at Babcock and Wilcox Company plant." - NARA - 293831.tif ✓ Done
221 "Planer for edging plates to be welded into pipe sections at Babcock ^amp, Wilcox Company Mill." - NARA - 293832.tif ✓ Done
222 "Stress relieving furnace at Babcock and Wilcox Company plant. This view shows the fire bricked interior of the... - NARA - 293833.tif ✓ Done
223 "Aerial view of Boulder City, Nevada." - NARA - 293834.tif ✓ Done
224 "Aerial view of country in vicinity of Boulder Dam. Boulder City in distance, Babcock and Wilcox mill at right." - NARA - 293835.tif ✓ Done
225 "Looking upstream through Black Canyon showing foundation excavation and construction installations on cofferdam... - NARA - 293836.tif ✓ Done
226 "Two and one-half cubic yard dragline excavator working in middle channel of foundation excavation. Photo shows type... - NARA - 293837.tif ✓ Done
227 "Excavation operations in deeper middle channel of foundation excavation." - NARA - 293838.tif ✓ Done
228 "General view looking upstream of foundation excavation. Deeper middle channel is shown prior to any disturbance by... - NARA - 293839.tif ✓ Done
229 "Excavation operations in middle gorge of foundation excavation." - NARA - 293840.tif ✓ Done
230 "Stoney gate at outlet portal of diversion tunnel No. 2 lowered during test." - NARA - 293841.tif ✓ Done
231 "View looking upstream through Black Canyon showing condition at dam site prior to beginning of excavation of middle... - NARA - 293842.tif ✓ Done
232 "Drillers at work on canyon wall above power plant location." - NARA - 293843.tif ✓ Done
233 "Scaling crew on Nevada wall of Black Canyon above power plant location." - NARA - 293844.tif ✓ Done
234 "Operations at downstream end of foundation excavation. View looks downstream toward lower cofferdam." - NARA - 293845.tif ✓ Done
235 "Pot-hole development disclosed in middle gorge excavation of dam foundation." - NARA - 293846.tif ✓ Done
236 "Whirl-pool development disclosed in middle gorge excavation of dam foundation." - NARA - 293847.tif ✓ Done
237 "Detail of pot-hole erosion along the river gorge on the Nevada side just downstream from damsite proper. Note the... - NARA - 293848.tif ✓ Done
238 "One of the hot springs issuing from a crevice in the side of a large pot-hole ten feet above the floor of the middle... - NARA - 293849.tif ✓ Done
239 "A 2x6 inch sawed plank imbedded under the river fill gravel over the edge of the bench on the Nevada side of the... - NARA - 293850.tif ✓ Done
240 "Pressure structure cleavage developed along the walls of the canyon. This structure which produces thin slabs or... - NARA - 293851.tif ✓ Done
241 "Handling 8-cubic yard concrete bucket by overhead cableway for transport across canyon. Concrete being hauled into... - NARA - 293852.tif ✓ Done
242 "Upstream heading in upper Arizona penstock header. Rails upon which drilling jumbo operates seen at either side." - NARA - 293853.tif ✓ Done
243 "Drilling jumbo used in upper 36 feet of 41-foot diameter upper penstock header. This view shows the drilling face." - NARA - 293854.tif ✓ Done
244 "Looking upstream through foundation excavation at dam site and power plant location. View from suspension bridge at... - NARA - 293855.tif ✓ Done
245 "Power shovel loading muck trucks in heading of upper Nevada penstock header." - NARA - 293856.tif ✓ Done
246 "Looking down on the inlet portals of Arizona diversion tunnels Nos. 3 and 4 from near the top of the Nevada canyon... - NARA - 293857.tif ✓ Done
247 "Looking downstream through Black Canyon. View shows downstream cofferdam and rock backwash barrier. Construction... - NARA - 293858.tif ✓ Done
248 "Looking upstream through Black Canyon. View shows upstream and downstream cofferdams with dam foundation excavation... - NARA - 293859.tif ✓ Done
249 "Looking down into dam foundation excavation from lookout Point on the Nevada rim. This view shows excellently the... - NARA - 293860.tif ✓ Done
250 "Operating test on 150-ton cableway. This view shows the 150-ton weight being lowered to the Arizona penstock... - NARA - 293861.tif ✓ Done
251 "Spoil trucks, 14-cubic yard capacity, dumping on high level Arizona spoil banks." - NARA - 293862.tif ✓ Done
252 "General view of operations at dam site as seen from high-level suspension bridge swung between Triangulation Points... - NARA - 293916.tif ✓ Done
253 "Looking upstream through channel of Nevada spillway. Overflow weir construction in progress at right." - NARA - 293917.tif ✓ Done
254 "Trimming jumbo being lowered into inclined spillway tunnel on Nevada side." - NARA - 293918.tif ✓ Done
255 "Steel bulkhead ^amp, stoney gates" - NARA - 293875.tif ✓ Done
256 "Landscaping in Boulder City. - (1) Nursery block in 'heeling in' ground awaiting transplanting, (2) View of area... - NARA - 293876.tif ✓ Done
257 "Boulder City Community buildings - (1) Saint Christopher's Episcopal Church, (2) American Legion hall, (3) Church of... - NARA - 293877.tif ✓ Done
258 "Boulder City Water Supply - (1) Treatment basins at filtration plant - Receiving tank and storage tank (on hill) in... - NARA - 293878.tif ✓ Done
259 "Goverment dormitory No. 2, Boulder City, Nevada. View from southeast." - NARA - 293879.tif ✓ Done
260 "Community church, Boulder City, Nevada. View from southeast." - NARA - 293880.tif ✓ Done
261 "Group of visitors viewing Boulder Dam construction operations from Lookout Point on Nevada rim of Black Canyon." - NARA - 293881.tif ✓ Done
262 "The first bucket of concrete grout is placed in Boulder Dam proper at 11-20 A.M. June 6, 1933. This 8-cubic batch... - NARA - 293882.tif ✓ Done
263 "First 8-cubic yard batch of concrete being placed in Boulder Dam." - NARA - 293883.tif ✓ Done
264 "Officials of Bureau and Six Cos., Inc., with first Assistant Secretary of the Interior Theodore F. Walters at... - NARA - 293884.tif ✓ Done
265 "Placing concrete in sidewall forms of Nevada spillway of Boulder Dam. Concrete is being handled by crane in 2-cubic... - NARA - 293885.tif ✓ Done
266 "Boulder Dam, looking upstream through Nevada sillway. At left are seen two panels of the overflow weir under... - NARA - 293886.tif ✓ Done
267 "High scalers cleaning canyon wall above Nevada power plant site." - NARA - 293863.tif ✓ Done
268 "Visitors to Boulder Canyon Project 1932" - NARA - 293864.tif ✓ Done
269 "Concrete Control" - NARA - 293865.tif ✓ Done
270 "Lo-Mix Concrete Plant" - NARA - 293866.tif ✓ Done
271 "Classification of concrete aggregates" - NARA - 293867.tif ✓ Done
272 "Government Dormitories and Public Buildings - (1) School building, (2) municipal building, (3) Government... - NARA - 293868.tif ✓ Done
273 "Lining Diversion Tunnels" - NARA - 293869.tif ✓ Done
274 "Lining Diversion Tunnels" - NARA - 293870.tif ✓ Done
275 "Construction of Upper Cofferdam" - NARA - 293871.tif ✓ Done
276 "Diversion of Colorado River" - NARA - 293872.tif ✓ Done
277 "Excavation for major structures" - NARA - 293873.tif ✓ Done
278 "Operations on canyon walls" - NARA - 293874.tif ✓ Done
279 "Second grade, Boulder City public school." - NARA - 293888.tif ✓ Done
280 "Pupils of the first, second, third and fourth grades, Boulder City public school." - NARA - 293887.tif ✓ Done
281 "Looking upstream through Boulder Dam foundation excavation showing middle gorge and side benches." - NARA - 293889.tif ✓ Done
282 "Looking upstream toward Boulder dam site showing outlet portals of all four diversion tunnels. Flow of Colorado... - NARA - 293890.tif ✓ Done
283 "Boulder Dam, looking into upstream end of Arizona spillway from point off river of center line." - NARA - 293891.tif ✓ Done
284 "Boulder Dam, tail tower installation for Six Companies' cableway installations Nos. 5 and 6." - NARA - 293892.tif ✓ Done
285 "Six Companies' high level concrete mixing plant and cement blending plant." - NARA - 293893.tif ✓ Done
286 "Detail of carriage of permanent 150-ton cableway at Boulder Dam." - NARA - 293894.tif ✓ Done
287 "Looking across canyon along cables from top of 150-ton permanent cableway head tower. Boulder Dam." - NARA - 293895.tif ✓ Done
288 "Nevada anchorages of permanent 150-ton cableway at Boulder Dam." - NARA - 293896.tif ✓ Done
289 "Head tower, hoist house, and anchorage of permanent 150-ton cableway at Boulder Dam. View from upper end of Hi-mix... - NARA - 293897.tif ✓ Done
290 "Boulder Dam, looking upstream through Nevada spillway channel from point on center line." - NARA - 293898.tif ✓ Done
291 "Boulder Dam, detail of panel construction in overflow weir of Nevada spillway." - NARA - 293899.tif ✓ Done
292 "Evaporation tower for Boulder Dam precooling system located on downstream cofferdam. View from Nevada outlet valve... - NARA - 293900.tif ✓ Done
293 "Placing concrete in Boulder Dam foundation, looking upstream through middle gorge." - NARA - 293901.tif ✓ Done
294 "Placing concrete in panel or column forms near downstream toe in Boulder Dam foundation. An 8-cubic yard bucket... - NARA - 293902.tif ✓ Done
295 "Placing concrete in panel forms near downstream toe in Boulder Dam foundation. An 8-cubic yard bottom-dump bucket... - NARA - 293903.tif ✓ Done
296 "Diamond drill bit carrying eight stones weighing 21.15 kt. lost in hole D200 W147 on December 10, 1922, during early... - NARA - 293904.tif ✓ Done
297 "Trench at upstream toe of Boulder Dam foundation, looking toward Nevada side from top of Arizona bench nearly on... - NARA - 293905.tif ✓ Done
298 "Dam foundation excavation as seen from cableway skip at approximate elevation 1100. View looks upstream with... - NARA - 293906.tif ✓ Done
299 "Native planting used to beautify street intersection." - NARA - 293907.tif ✓ Done
300 "Native planting used in landscaping privately-owned business building (mortuary)." - NARA - 293908.tif ✓ Done
301 "Privately-owned cottage on leased lot, showing landscaping." - NARA - 293909.tif ✓ Done
302 "View looking westward along Park Street, showing landscape development around government residences." - NARA - 293910.tif ✓ Done
303 "Babcock and Wilcox Co. dormitory." - NARA - 293911.tif ✓ Done
304 "Four-family apartment houses erected to house employees of Babcock and Wilcox Co." - NARA - 293912.tif ✓ Done
305 "Single-family residence erected in Boulder City by Babcock and Wilcox Co." - NARA - 293913.tif ✓ Done
306 "Government dormitory, showing development of landscaping." - NARA - 293914.tif ✓ Done
307 "Six Companies, Inc., gravel screening and washing plant. View from hill southeast of plant." - NARA - 293915.tif ✓ Done
308 "Looking across dam from upstream cofferdam. Note 8-foot wide slot through middle in which cooling system headers are... - NARA - 293919.tif ✓ Done
309 "Detail in corner of column form showing vertical and horizontal keys with grout pipe and condulet grout outlets in... - NARA - 293920.tif ✓ Done
310 "Placing concrete in block at mid-section of dam. Eight-cubic yard bucket handled by overhead cableway is in use." - NARA - 293921.tif ✓ Done
311 "Looking upstream through the 'I' column forms along Arizona side of middle gorge. 'H' columns at right, 'J' columns... - NARA - 293922.tif ✓ Done
312 "Loading concrete at low-level concrete mixing plant for transport to dam site. Eight-cubic yard capacity buckets are... - NARA - 293923.tif ✓ Done
313 "Double-decked coach used in transporting Six Companies, Inc., workmen from Boulder City to dam. Capacity 150 men." - NARA - 293924.tif ✓ Done
314 "Looking upstream through Arizona spillway. In the upper right is seen the buttressed section of the side wall." - NARA - 293925.tif ✓ Done
315 "Looking upstream and across Arizona spillway. View shows construction on overflow weir and buttressed section of... - NARA - 293926.tif ✓ Done
316 "Looking upstream and across Arizona spillway. View shows construction of overflow weir and buttressed section of... - NARA - 293927.tif ✓ Done
317 "Buttresses and forms in channel lining on upstream curve of Arizona spillway." - NARA - 293928.tif ✓ Done
318 "Detail of buttresses and forms in channel lining forms, Arizona spillway." - NARA - 293929.tif ✓ Done
319 "Looking upstream at downstream face of dam. Vertical forms for powerhouse footings intersect better forms of... - NARA - 293930.tif ✓ Done
320 "Looking diagonally upstream across dam from Nevada side near downstream toe. Low blocks in lower left corner are 'L'... - NARA - 293931.tif ✓ Done
321 "Placing concrete in column 'J'-4. Top of forms at elevation 575. View looks toward Arizona side." - NARA - 293932.tif ✓ Done
322 "Placing concrete with 4-cubic yard transit mixer in column 'M'-13. Transit mixers are used where the small size of... - NARA - 293933.tif ✓ Done
323 "Looking upstream through channel of Arizona spillway." - NARA - 293934.tif ✓ Done
324 "Looking upstream across Arizona spillway. Cableway tail towers and fill seen at left." - NARA - 293935.tif ✓ Done
325 "Low level concrete mixing plant as seen from point on Arizona canyon rim. Earth embankment carries elevation 720... - NARA - 293936.tif ✓ Done
326 "Grouting crew at work on upper levels of Arizona abutment. The grout mixture is being introduced into 50-foot holes... - NARA - 293937.tif ✓ Done
327 "General view of interior of hoist house, 150-ton cableway. View looking toward tow end of building with hoisting... - NARA - 293938.tif ✓ Done
328 "Detail of hoist drum and motor, 150-ton cableway hoist house." - NARA - 293939.tif ✓ Done
329 "Detail of endless conveyor drum, 150-ton cableway hoist house." - NARA - 293940.tif ✓ Done
330 "Detail of hoist drum motor and driving equipment, 150-ton cableway hoist house." - NARA - 293941.tif ✓ Done
331 "Automatic switchboard, 150-ton cableway hoist house." - NARA - 293942.tif ✓ Done
332 "Looking upstream through Nevada spillway. Overflow weir under construction at right. Completed section of channel... - NARA - 293943.tif ✓ Done
333 "Detail of reinforcement and formwork in panel of overflow weir, Nevada spillway, as seen from parapet of channel... - NARA - 293944.tif ✓ Done
334 "Looking downstream across dam from high level catwalk. Large block in foreground is J-1." - NARA - 293945.tif ✓ Done
335 "Catwalk spanning canyon over upstream cofferdam. The span is swung approximately between Triangulation Points C-7... - NARA - 293946.tif ✓ Done
336 "Nevada spillway and adjacent terrain as seen from Arizona rim of Black Canyon. Head towers for Six Companies, Inc.... - NARA - 293947.tif ✓ Done
337 "Dam structure as seen from skip on 150-ton cableway. View is made on center line of structure from elevation 1000.... - NARA - 293948.tif ✓ Done
338 "Telephoto view of dam structure from control tower of 150-ton cableway." - NARA - 293949.tif ✓ Done
339 "Dam site and structure as seen from point on Arizona canyon rim roughly defined by coordinate point N 31,000, W... - NARA - 293950.tif ✓ Done
340 "Dam site and structure as seen from point on Arizona rim roughly defined by coordinate point N31,000, W 48,700. View... - NARA - 293951.tif ✓ Done
341 "Looking down into excavation for downstream Nevada intake tower. View shows circular excavation for intake tower... - NARA - 293952.tif ✓ Done
342 "Back side of upstream end of Arizona spillway showing buttresses for channel lining . View looks downstream." - NARA - 293953.tif ✓ Done
343 "Detail of channel lining buttresses at upstream end of Arizona spillway." - NARA - 293954.tif ✓ Done
344 "North Platte Dam site, Wyo., from point just below the line of dam site looking upstream." - NARA - 294358.tif ✓ Done
345 "Pathfinder Dam. Removing ice preparatory to excavating foundation for Pathfinder dam." - NARA - 294362.tif ✓ Done
346 "Pathfinder Dam. Sandbag core wall in temporary dam." - NARA - 294363.tif ✓ Done
347 "Pathfinder Dam site looking upstream." - NARA - 294364.tif ✓ Done
348 "Pathfinder Dam, diversion flume." - NARA - 294365.tif ✓ Done
349 "Pathfinder Dam, centrifugal pumps in foundation." - NARA - 294366.tif ✓ Done
350 "Pathfinder Dam, freight teams." - NARA - 294370.tif ✓ Done
351 "Pathfinder Dam, Wyo., 22 horse freighter hauling cement from Casper, Wyo. to dam site, 45 miles distant." - NARA - 294393.tif ✓ Done
352 "Pathfinder Dam site, view looking up the North Platte River showing the dam site." - NARA - 294361.tif ✓ Done
353 "Foundation of Pathfinder Dam." - NARA - 294373.tif ✓ Done
354 "Pathfinder Dam, bedrock in foundation." - NARA - 294374.tif ✓ Done
355 "Pathfinder dam, laying first stone." - NARA - 294375.tif ✓ Done
356 "Pathfinder dam, bed rock in foundation." - NARA - 294376.tif ✓ Done
357 "Pathfinder Dam. Dam during a freshet." - NARA - 294394.tif ✓ Done
358 "Pathfinder Dam, progress of masonry." - NARA - 294381.tif ✓ Done
359 "Pathfinder Dam, crusher and mixing house." - NARA - 294382.tif ✓ Done
360 "Pathfinder Dam, progress of masonry." - NARA - 294385.tif ✓ Done
361 "Pathfinder Dam, footbridge across North Platte River." - NARA - 294389.tif ✓ Done
362 "Pathfinder Dam. Dam during flood." - NARA - 294390.tif ✓ Done
363 "Pathfinder Dam, upper face of dam." - NARA - 294391.tif ✓ Done
364 "Pathfinder Dam, lower face during flood." - NARA - 294392.tif ✓ Done
365 "Pathfinder Dam, lower face." - NARA - 294395.tif ✓ Done
366 "Pathfinder Dam, rack in masonry, north side of notch." - NARA - 294396.tif ✓ Done
367 "Rack in masonry, north side of notch. (Oblique end view.)" - NARA - 294397.tif ✓ Done
368 "Pathfinder Dam, Upper face." - NARA - 294398.tif ✓ Done
369 "Old Fort Laramie." - NARA - 294440.tif ✓ Done
370 "Old Fort Laramie." - NARA - 294441.tif ✓ Done
371 "Old Fort Laramie." - NARA - 294442.tif ✓ Done
372 "Interstate Canal. New house on Torrington Flats, showing small area of plowed ground." - NARA - 294369.tif ✓ Done
373 "Interstate Canal. Orman ^amp, Crook's steam shovel at Sand Point near Ft. Laramie, Wyo." - NARA - 294368.tif ✓ Done
374 "Interstate Canal. Patent four wheeled scrapers." - NARA - 294367.tif ✓ Done
375 "Interstate Canal. Lining at Mollie's fork, showing forms and partially completed concrete work." - NARA - 294371.tif ✓ Done
376 "Interstate Canal. Headgate at Sta. 2088." - NARA - 294383.tif ✓ Done
377 "Pathfinder Dam, Method of closing Pathfinder tunnel." - NARA - 294399.tif ✓ Done
378 "Pathfinder Dam, bulkhead for closing tunnel." - NARA - 294400.tif ✓ Done
379 "Pathfinder Dam, lower face." - NARA - 294415.tif ✓ Done
380 "Pathfinder Dam, lower face." - NARA - 294420.tif ✓ Done
381 "Pathfinder Dam, upper face." - NARA - 294421.tif ✓ Done
382 "Three-foot face stone in storage. Pathfinder Dam." - NARA - 294417.tif ✓ Done
383 "Pathfinder Dam, High pressure gates, looking downstream." - NARA - 294418.tif ✓ Done
384 "Pathfinder Dam, High pressure gates looking upstream." - NARA - 294419.tif ✓ Done
385 "Pathfinder Dam, contractor's plant from south side of canyon." - NARA - 294424.tif ✓ Done
386 "Pathfinder Dam, looking upstream." - NARA - 294425.tif ✓ Done
387 "Pathfinder Dam, guide wall at north end of dam." - NARA - 294433.tif ✓ Done
388 "Pathfinder Dam, upper face." - NARA - 294426.tif ✓ Done
389 "Pathfinder Dam, lower face." - NARA - 294427.tif ✓ Done
390 "Pathfinder Dam, upper face at close of 1908 season." - NARA - 294428.tif ✓ Done
391 "Whalen diversion dam and headworks." - NARA - 294454.tif ✓ Done
392 "Whalen diversion dam and headworks, looking across river from north side." - NARA - 294437.tif ✓ Done
393 "Interstate Canal" - NARA - 294438.tif ✓ Done
394 "Interstate Canal" - NARA - 294439.tif ✓ Done
395 "Whalen diversion dam, looking down river." - NARA - 294434.tif ✓ Done
396 "Whalen diversion dam and headworks, looking across river from north side." - NARA - 294435.tif ✓ Done
397 "Whalen diversion dam and headworks, looking up river from north side." - NARA - 294436.tif ✓ Done
398 "Whalen diversion dam and headworks." - NARA - 294453.tif ✓ Done
399 "Pathfinder Dam, upper face." - NARA - 294452.tif ✓ Done
400 "Pathfinder Dam, upper face." - NARA - 294463.tif ✓ Done
401 "View showing a completed portion of the Pathfinder tunnel at the dam site, near the east portal of the tunnel." - NARA - 294359.tif ✓ Done
402 "Gap south of the Pathfinder Dam. Site of Pathfinder dike looking southwest. View shows 165 ft. hill down which the... - NARA - 294464.tif ✓ Done
403 "Emergency dike built on site of Pathfinder dike looking southeast towards barrow pits. Showing sand bags and riprap... - NARA - 294466.tif ✓ Done
404 "Pathfinder dike, looking south, showing preparation of site." - NARA - 294468.tif ✓ Done
405 "Lower face of Pathfinder Dam, showing location of loaded drill holes." - NARA - 294467.tif ✓ Done
406 "View of the Pathfinder dike in progress of construction, looking north." - NARA - 294469.tif ✓ Done
407 "View of the Pathfinder dike in progress of construction, looking south." - NARA - 294470.tif ✓ Done
408 "Pathfinder reservoir, dam, and site of dike at extreme left." - NARA - 294377.tif ✓ Done
409 "Upper face of Pathfinder dike during construction, looking southeast across Pathfinder reservoir." - NARA - 294378.tif ✓ Done
410 "Drop 19 on lateral 15 east." - NARA - 294449.tif ✓ Done
411 "Drop 8 in lateral 21A Canal." - NARA - 294456.tif ✓ Done
412 "Lateral out-take and drop in lateral 21A." - NARA - 294457.tif ✓ Done
413 "Drop 1 and lateral out-take in Lateral 21A Canal." - NARA - 294458.tif ✓ Done
414 "Drop 12 - Lateral 21-M Canal." - NARA - 294459.tif ✓ Done
415 "Drop 3 - Lateral 21-M Canal." - NARA - 294460.tif ✓ Done
416 "Drops in Main Lateral ^21." - NARA - 294472.tif ✓ Done
417 "Interstate Canal. Lateral No. 10 headgate." - NARA - 294473.tif ✓ Done
418 "View showing hauling of balanced valves to the Pathfinder Dam." - NARA - 294474.tif ✓ Done
419 "View showing hauling of balanced valves to the Pathfinder Dam." - NARA - 294475.tif ✓ Done
420 "View showing method of unloading part of the balanced valves at Pathfinder Dam." - NARA - 294476.tif ✓ Done
421 "View showing Old Fort Laramie Military Bridge across North Platte River at Fort Laramie." - NARA - 294477.tif ✓ Done
422 "Interstate Canal. Abandoned officers' quarters, old Fort Laramie, Wyo. 'Bedlam' house at right of picture." - NARA - 294478.tif ✓ Done
423 "Interstate Canal. View showing diversion gate in No. 10 Lateral." - NARA - 294479.tif ✓ Done
424 "Tristate lateral headgate from opposite bank." - NARA - 294414.tif ✓ Done
425 "Interstate Canal. Distribution gates in laterals DF." - NARA - 294416.tif ✓ Done
426 "Main Canal, looking down." - NARA - 294445.tif ✓ Done
427 "Interstate Canal, Spring Canyon flume, looking north." - NARA - 294387.tif ✓ Done
428 "Interstate Canal. Spring Canyon flume from northwest." - NARA - 294380.tif ✓ Done
429 "Interstate Canal. Spring Canyon flume." - NARA - 294406.tif ✓ Done
430 "Interstate Canal. Spring Canyon flume, side and top view." - NARA - 294407.tif ✓ Done
431 "Interstate Canal. Cottonwood flume looking southwest, showing completed structure and basin above flume under... - NARA - 294372.tif ✓ Done
432 "Interstate Canal. Detailed view of drop basin of Cottonwood flume." - NARA - 294402.tif ✓ Done
433 "Interstate Canal. Rawhide siphon and flume. Rawhide creek running over level part of siphon." - NARA - 294388.tif ✓ Done
434 "Interstate Canal. Rawhide siphon." - NARA - 294408.tif ✓ Done
435 "Upper diversion of takeout of the Whalen Canal at heading of the Whalen Canal, Wyo." - NARA - 294357.tif ✓ Done
436 "Interstate Canal. Driving sheet steel piling for coffer dam at the heading or intake of the main Interstate Canal." - NARA - 294401.tif ✓ Done
437 "Interstate Canal. Spillway and railroad crossing at Mollie's Fork." - NARA - 294403.tif ✓ Done
438 "Interstate Canal. Willey Draw culvert." - NARA - 294405.tif ✓ Done
439 "Interstate Canal. Wet Sheep Creek culvert under construction." - NARA - 294409.tif ✓ Done
440 "Interstate Canal. Construction of drops in Lateral System on Dutch Flats." - NARA - 294412.tif ✓ Done
441 "Interstate Canal. 11-foot drop, lateral ^1, posts." - NARA - 294413.tif ✓ Done
442 "Dutch Flats, lateral 11." - NARA - 294448.tif ✓ Done
443 "Interstate Canal. Office Building, Mitchell, Nebr." - NARA - 294384.tif ✓ Done
444 "Stannard's Camp, showing rolling character of land." - NARA - 294356.tif ✓ Done
445 "Interstate Canal. Hauphoff flume, looking north." - NARA - 294386.tif ✓ Done
446 "Interstate Canal. Hauphoff culvert." - NARA - 294404.tif ✓ Done
447 "East portal of the Pathfinder Tunnel." - NARA - 294360.tif ✓ Done
448 "Pathfinder tunnel, showing boulder lodged in waterway below A gate." - NARA - 294461.tif ✓ Done
449 "Pathfinder tunnel, showing plates in waterway below D gate, and concrete washed out to seam in rock." - NARA - 294462.tif ✓ Done
450 "Pathfinder dam, view of damage done by water below the high pressure gates in the Pathfinder tunnel, looking upstream." - NARA - 294465.tif ✓ Done
451 "Pathfinder tunnel, Construction of grizzly looking northwest." - NARA - 294430.tif ✓ Done
452 "Pathfinder tunnel, Construction of grizzly at entrance, showing chute, character of rock above grizzly ." - NARA - 294429.tif ✓ Done
453 "Pathfinder Dam, grillage at entrance to Pathfinder tunnel. View taken about 300 feet off." - NARA - 294431.tif ✓ Done
454 "Pathfinder Dam, grillage at entrance to Pathfinder tunnel. Close view of No. 461." - NARA - 294432.tif ✓ Done
455 "Pathfinder Dam, method of piling cement, looking northwest." - NARA - 294422.tif ✓ Done
456 "Pathfinder Dam, method of piling cement, looking east, showing but two rows." - NARA - 294423.tif ✓ Done
457 "Pathfinder Dam, gate-keeper's house." - NARA - 294379.tif ✓ Done
458 "Site of Pathfinder Dike. View taken from the top of hill above Engr's camp on north side of No. Platte River.... - NARA - 294450.tif ✓ Done
459 "Site of Pathfinder dike. Looking northeast at sand bag face of emergency dike. View taken during heavy wind storm... - NARA - 294451.tif ✓ Done
460 "Showing character and nature of Scottsbluff, Nebraska." - NARA - 294353.tif ✓ Done
461 "Chimney Rock, Nebraska." - NARA - 294354.tif ✓ Done
462 "Dutch Flats, plowing." - NARA - 294443.tif ✓ Done
463 "Dutch flats, plowing." - NARA - 294444.tif ✓ Done
464 "Irrigable lands, view looking towards ridge thru which Farmers' Canal will run." - NARA - 294355.tif ✓ Done
465 "Interstate Canal. Grain fields under the Interstate Canal. Dutch Flats." - NARA - 294410.tif ✓ Done
466 "Interstate Canal. Growing pumpkins under the Interstate Canal, Dutch flats." - NARA - 294411.tif ✓ Done
467 "Dutch Flats, settlement of Colorado farmers under the North Platte Project." - NARA - 294446.tif ✓ Done
468 "Dutch Flats, irrigation under the North Platte Project." - NARA - 294447.tif ✓ Done
469 "Wheat field near Mitchell, Nebraska." - NARA - 294471.tif ✓ Done
470 "Wheat field on Dutch flats near Mitchell, Nebr. Farm of T.C. Shawver." - NARA - 294480.tif ✓ Done
471 "Another view of wheat field on Dutch Flats near Mitchell, Nebr." - NARA - 294481.tif ✓ Done
472 "Crops and settlement in Sunflower Valley." - NARA - 294482.tif ✓ Done
473 "Wheat in shocks Pleasant Valley, farm of Benj. Martin." - NARA - 294483.tif ✓ Done
474 "Mitchell, Nebraska, and the valley about the town." - NARA - 294484.tif ✓ Done
475 "Beet sugar factory near Mitchell, Nebraska." - NARA - 294485.tif ✓ Done
476 "Wheat field in shock under the Mitchell ditch, Mitchell Valley." - NARA - 294486.tif ✓ Done
477 "Wheat crop on Dr. Blackburn's ranch near Mitchell, Nebraska." - NARA - 294487.tif ✓ Done
478 "Alfalfa field in Pleasant Valley." - NARA - 294488.tif ✓ Done
479 "Alfalfa field, showing first cutting, 13 stacks, second crop nearly ready. This is the field which is subject of... - NARA - 294489.tif ✓ Done
480 "Harvesting wheat crop on the Ballantine Thomas ranch near Mitchell, Nebr." - NARA - 294490.tif ✓ Done
481 "Another view of harvesting wheat crop on Ballantine Thomas ranch." - NARA - 294491.tif ✓ Done
482 "Winter Creek Bottom, taken from hill south of Fairchild's place." - NARA - 294492.tif ✓ Done
483 "Corn fields on the Dutch Flats near Mitchell, Nebr." - NARA - 294493.tif ✓ Done
484 "Touring thru the irrigated district of the Dutch Flats country." - NARA - 294494.tif ✓ Done
485 "New residences in the town of Mitchell, Nebr." - NARA - 294495.tif ✓ Done
486 "Bungalow owned by Bert Beers, Mitchell, Nebr." - NARA - 294496.tif ✓ Done
487 "Main Street, Mitchell, Nebraska." - NARA - 294497.tif ✓ Done
488 "View of Mitchell, Nebraska." - NARA - 294455.tif ✓ Done
489 "A general view of the east forebay slope showing the crack which developed near the top of the slope. The bench to... - NARA - 294332.tif ✓ Done
490 "A detail view of sliding ground. The amount of settlement may be judged by comparison with the surveyor's 7-foot rod." - NARA - 294333.tif ✓ Done
491 "The east pit at the beginning of excavation operations in the deep crevice below the frozen barrier." - NARA - 294345.tif ✓ Done
492 "View looking south into the east forebay slide area, showing the clay material which slid into the deep crevice. The... - NARA - 294346.tif ✓ Done
493 "A dragline beginning to remove clay from below the frozen barrier. Drainage well E-5, in which a heavy flow of... - NARA - 294347.tif ✓ Done
494 "The west vista house, provided for visitors to Grand Coulee Dam." - NARA - 294348.tif ✓ Done
495 "Three-view panorama from top of east abutment . The Eastmix concrete plant under construction appears in the center... - NARA - 294277.tif ✓ Done
496 "Three-view panorama from top of east abutment. The Eastmix concrete plant under construction appears in the center... - NARA - 294278.tif ✓ Done
497 "Three-view panorama from top of east abutment. The Eastmix concrete plant under construction appears in the center... - NARA - 294279.tif ✓ Done
498 "A close-up view of a five-yard dipper on electric shovel." - NARA - 294280.tif ✓ Done
499 "A five-yard dipper excavating in clay overburden." - NARA - 294281.tif ✓ Done
500 "Final cleanup of bedrock in the crevice area." - NARA - 294336.tif ✓ Done
501 "A cleanup crew removing all particles of broken rock on dam foundation." - NARA - 294337.tif ✓ Done
502 "A general view of the slide on the east forebay slope showing unwatering pumps mounted on barges. Water surface in... - NARA - 294334.tif ✓ Done
503 "Sliding ground on the east forebay slope. Shovel working at elevation 970." - NARA - 294335.tif ✓ Done
504 "General view of the east pit and forebay slide area showing the refrigeration plant housed in a shed on rock... - NARA - 294338.tif ✓ Done
505 "A close-up view of the east forebay slide area showing work under way on construction of a frozen barrier at its top." - NARA - 294339.tif ✓ Done
506 "View looking lengthwise across the top of the east forebay slide showing the freezing layout in the rear." - NARA - 294340.tif ✓ Done
507 "A close-up view of the layout of pipe for freezing operations. The barrier is about 100 feet long, 10 feet wide and... - NARA - 294341.tif ✓ Done
508 "Detail of top of frozen arch showing hose connections on brine circulation pipes." - NARA - 294342.tif ✓ Done
509 "The completed frozen arch with a full view of the crevice cleaned out to bedrock. Average bottom of pit is at elev.... - NARA - 294343.tif ✓ Done
510 "Draft tube portals closed with temporary stop logs, in prearation for flooding." - NARA - 294344.tif ✓ Done
511 "A general view of the slide on the east forebay slope." - NARA - 294314.tif ✓ Done
512 "Sheet piling in section F of the west cofferdam exposed in excavating west of block 40." - NARA - 294315.tif ✓ Done
513 "Detail showing action of sheet piling driven in compact clay." - NARA - 294316.tif ✓ Done
514 "Detail showing action of sheet piling driven in compact clay." - NARA - 294317.tif ✓ Done
515 "View showing excavation in rock above elevation 900 on the east abutment and the Eastmix concrete plant under... - NARA - 294310.tif ✓ Done
516 "View of east side of rock excavation with deep crevice shown in the center. Sliding ground on the forebay slopes... - NARA - 294311.tif ✓ Done
517 "View of east side forebay showing the upper extremities of the slide area." - NARA - 294312.tif ✓ Done
518 "A close view of the east side slides, showing the contractor's bulkhead at the bottom." - NARA - 294313.tif ✓ Done
519 "Excavation area directly behind east cofferdam." - NARA - 294092.tif ✓ Done
520 "Re-setting a conveyor feeder on the east side." - NARA - 294093.tif ✓ Done
521 "Dumping at one of the feeder conveyors on the east side." - NARA - 294094.tif ✓ Done
522 "A slide on the east forebay slope." - NARA - 294095.tif ✓ Done
523 "View of east bank area from west bank." - NARA - 294191.tif ✓ Done
524 "An upstream three-view progression picture showing development of the east bank area." - NARA - 294192.tif ✓ Done
525 "An upstream three-view progression picture showing development of the east bank area." - NARA - 294193.tif ✓ Done
526 "An upstream three-view progression picture showing development of the east bank area." - NARA - 294194.tif ✓ Done
527 "A group of concrete blocks near the east end of the dam." - NARA - 294349.tif ✓ Done
528 "Broken cofferdam cell F-6, which collapsed March 28 due to the removal of supporting ground outside the cell... - NARA - 294350.tif ✓ Done
529 "Broken cell F-6 showing how piling was ripped open at the bottom of the structure." - NARA - 294351.tif ✓ Done
530 "Rebuilding cell F-6." - NARA - 294352.tif ✓ Done
531 "Area between blocks 31 and 40, lower one-half of dam foundation." - NARA - 294330.tif ✓ Done
532 "Area between blocks 31 and 40, upper one-half of dam foundation." - NARA - 294331.tif ✓ Done
533 "A detail view of forms for block pours." - NARA - 294329.tif ✓ Done
534 "Block 40-A showing forms for gallery and cooling shaft at elev. 950. The 'V' shaped form on the left is for... - NARA - 294328.tif ✓ Done
535 "Placing reinforcing steel in power-house block P9B." - NARA - 294327.tif ✓ Done
536 "Placing a form panel with a portable crane-car." - NARA - 294326.tif ✓ Done
537 "A portable crane-car handling form panels." - NARA - 294325.tif ✓ Done
538 "A general view of bedrock uncovered in the area between blocks 31 and 40. This is the channel section through which... - NARA - 294324.tif ✓ Done
539 "Concrete blocks on the west side showing the curved fillet along the upstream toe of the dam." - NARA - 294323.tif ✓ Done
540 "View looking west across the west dam and power-house area." - NARA - 294322.tif ✓ Done
541 "A close-up view of the concrete blocks showing the curved fillet section at the upstream toe of the dam." - NARA - 294321.tif ✓ Done
542 "View looking north across the west dam and power-house area showing Westmix concrete plant, placing trestles and... - NARA - 294320.tif ✓ Done
543 "Detail showing action of sheet piling driven in compact clay." - NARA - 294319.tif ✓ Done
544 "Detail showing action of sheet piling driven in compact clay." - NARA - 294318.tif ✓ Done
545 "The west side placing trestles showing 2 cantilever-type or Hammerhead cranes and 2 Whirley cranes used for handling... - NARA - 294309.tif ✓ Done
546 "View looking west across the west area. Workmen tamping concrete in block 40G at elevation 860 shown on the right." - NARA - 294308.tif ✓ Done
547 "View looking downstream across the west area showing the Westmix plant, placing trestles, crane equipment and... - NARA - 294307.tif ✓ Done
548 "Upstream placing trestle on the west side showing cranes handling concrete blocks below." - NARA - 294306.tif ✓ Done
549 "View from the lower end of west cofferdam showing Westmix plant and placing trestles. In the foreground appears a... - NARA - 294305.tif ✓ Done
550 "View looking into a deep crevice on the east side showing sliding ground on forebay slope to the right." - NARA - 294304.tif ✓ Done
551 "Erection of the steel structure for the Eastmix concrete plant." - NARA - 294303.tif ✓ Done
552 "View of excavation operations on berm west of block 40." - NARA - 294302.tif ✓ Done
553 "The Eastmix concrete plant under construction." - NARA - 294301.tif ✓ Done
554 "General view of Westmix plant, placing trestles and crane equipment for handling concrete buckets." - NARA - 294300.tif ✓ Done
555 "Power house concrete blocks on west side, shown under the lower placing trestle." - NARA - 294299.tif ✓ Done
556 "View from the west side of Block 40 showing concreting operations, timber crib construction and excavation of clay... - NARA - 294298.tif ✓ Done
557 "Downstream view of concrete blocks under construction on west side." - NARA - 294297.tif ✓ Done
558 "View from the Westmix platform showing concrete blocks under construction above the downstream placing trestle." - NARA - 294296.tif ✓ Done
559 "Construction equipment working in block 40. Gravel fill dumped from a conveyor into cofferdam cells appears in the... - NARA - 294295.tif ✓ Done
560 "View of block 40, sections E to J, showing the timber crib tie-in structure from the concrete dam to steel cofferdam... - NARA - 294294.tif ✓ Done
561 "View of concrete placing in block 40, sections A to 3, between elevation 925 to 950." - NARA - 294293.tif ✓ Done
562 "Bedrock prepared for concrete pour in west power house base, block P-3-A." - NARA - 294292.tif ✓ Done
563 "View from west side of pier no. 2 showing caisson and clamshell excavating equipment. Concrete mixing plant... - NARA - 294291.tif ✓ Done
564 "Close view of crack in concrete on east side of highway bridge pier no. 2." - NARA - 294290.tif ✓ Done
565 "Close view of crack in concrete on east side at base of highway bridge pier no. 2." - NARA - 294289.tif ✓ Done
566 "Highway bridge pier no. 2 showing sheet pile caisson constructed for pier enlargement." - NARA - 294288.tif ✓ Done
567 "A close-up view of drillers." - NARA - 294287.tif ✓ Done
568 "Drillers working on steep cliffs in the east side crevice." - NARA - 294286.tif ✓ Done
569 "Drillers on the east abutment." - NARA - 294285.tif ✓ Done
570 "Placing concrete in block 40 with circular form for cooling shaft shown in the center." - NARA - 294284.tif ✓ Done
571 "Bedrock uncovered at elevation 878 on the east side of pier 2, Columbia River highway bridge." - NARA - 294283.tif ✓ Done
572 "View of the west side of block 40 showing construction of timber crib tie-in structure across bucket section... - NARA - 294282.tif ✓ Done
573 "Frozen falls at the 'Devil's Punch Bowl' in the Grand Coulee." - NARA - 294276.tif ✓ Done
574 "Martin's Falls at the Devil's Punch Bowl. Upper Grand Coulee Water flowing at this period comes from melting snow... - NARA - 294275.tif ✓ Done
575 "Ice formation on wall of upper Grand Coulee." - NARA - 294274.tif ✓ Done
576 "Part of a granite obstruction in the main channel of Columbia River at Hell Gate." - NARA - 294273.tif ✓ Done
577 "Upstream view of Columbia River at Hell Gate showing narrow channel covered with ice during the cold weather in... - NARA - 294271.tif ✓ Done
578 "A bulge in the ice at Hell Gate on the Columbia River caused by the accumulation of floe ice piling up at this point." - NARA - 294272.tif ✓ Done
579 "A downstream view through the narrow channel at Hell Gate on the Columbia River." - NARA - 294270.tif ✓ Done
580 "View looking upstream at Hell Gate on the Columbia River, located about 22 miles above the dam. Granite obstructions... - NARA - 294269.tif ✓ Done
581 "U.S.B.R. basketball team." - NARA - 294267.tif ✓ Done
582 "U.S.B.R. ladies basketball team." - NARA - 294268.tif ✓ Done
583 "Looking down on highway bridge pier No. 2 showing the 110 ft. diameter steel sheet pile caisson under construction.... - NARA - 294266.tif ✓ Done
584 "Highway bridge pier No. 2 showing caisson construction for pier enlargement." - NARA - 294265.tif ✓ Done
585 "East side excavation area showing the deep crevice on the left, east cofferdam on the right, conveyor to ridge... - NARA - 294264.tif ✓ Done
586 "East side excavation operations looking south into a deep rock crevice. The lowest dragline is located near the dam... - NARA - 294263.tif ✓ Done
587 "Excavation operations on the east side. The upper shovel is working at elevation 975 and the lower shovel at... - NARA - 294262.tif ✓ Done
588 "General view of the east excavation area." - NARA - 294261.tif ✓ Done
589 "View east from the downstream trestle showing a portion of a fault zone east of section 30 on the left. The grizzly... - NARA - 294260.tif ✓ Done
590 "Looking down from the upstream trestle on bedrock in sections 24 to 30 inclusive." - NARA - 294259.tif ✓ Done
591 "View looking west toward the west abutment showing concrete blocks between the placing trestle." - NARA - 294258.tif ✓ Done
592 "View looking east from the Westmix plant showing concrete blocks between the placing trestles." - NARA - 294257.tif ✓ Done
593 "View looking east to show power house concrete blocks on the west side. The lower placing trestle crosses the power... - NARA - 294255.tif ✓ Done
594 "View looking northeast showing concrete blocks at foot of west abutment." - NARA - 294256.tif ✓ Done
595 "Looking north across the west end of the dam and power house area showing concrete blocks and placing trestles." - NARA - 294254.tif ✓ Done
596 "View looking west across the west area. Erection of a steel bent in upstream trestle is shown on the left and... - NARA - 294252.tif ✓ Done
597 "A downstream view showing the west area after the first spring thaw with frozen condition of the river still in... - NARA - 294251.tif ✓ Done
598 "Ice which formed on face of west cofferdam where drainage water is discharged." - NARA - 294248.tif ✓ Done
599 "Workmen cutting ice around a raft of wood piling, showing the thickness of ice which formed during February." - NARA - 294247.tif ✓ Done
600 "View of upstream side of contractor's bridge showing the conditions in Columbia River." - NARA - 294246.tif ✓ Done
601 "Ice conditions in the Columbia River under highway bridge. Pier No. 2 and a portion of circular steel caisson appear... - NARA - 294245.tif ✓ Done
602 "Upstream view of contractor's trestle showing the accumulation of ice packed against the pile bents." - NARA - 294244.tif ✓ Done
603 "River ice which accumulated above the conveyor trestle crossing the Columbia River." - NARA - 294243.tif ✓ Done
604 "Ice hanging from ladders and trestle members during the cold weather in February." - NARA - 294242.tif ✓ Done
605 "Ice which formed during the extreme cold period shown hanging from timbers and trestle members adjacent to concrete... - NARA - 294241.tif ✓ Done
606 "View looking downstream across the damsite showing winter conditions. Open water appears where the channel is... - NARA - 294240.tif ✓ Done
607 "View looking west across the damsite showing winter conditions with river entirely frozen over below the damsite." - NARA - 294239.tif ✓ Done
608 "Bedrock in block 23-C, picture taken at night." - NARA - 294238.tif ✓ Done
609 "Bedrock formation in block 24-E." - NARA - 294237.tif ✓ Done
610 "Excavation at a seam in bedrock at block 40-A. The depth below timber bracing shown on top is approximately 50 feet... - NARA - 294236.tif ✓ Done
611 "View looking east from the Westmix trestle showing concrete blocks." - NARA - 294235.tif ✓ Done
612 "Looking down on blocks of concrete poured in the central portion of the dam and west side power house area." - NARA - 294234.tif ✓ Done
613 "West side concrete work showing some of the low pours in the vicinity of block 26. Canopies for covering fresh... - NARA - 294233.tif ✓ Done
614 "General view looking upstream across the west side showing the Westmix concrete plant, placing trestles and... - NARA - 294232.tif ✓ Done
615 "General view looking upstream across the west side showing the Westmix concrete plant, placing trestles and... - NARA - 294231.tif ✓ Done
616 "Upstream concrete placing trestle with Hammerhead crane, whirley and erecting stiffleg derrick. Average height of... - NARA - 294230.tif ✓ Done
617 "A general view looking north across the west side showing the westmix concrete plant, placing trestles and crane... - NARA - 294229.tif ✓ Done
618 "West abutment, Westmix concrete plant, suspended aggregate conveyor and tower, placing trestles, whirley and... - NARA - 294228.tif ✓ Done
619 "A general view of the damsite from the west bank showing concrete placing trestles on lower right, construction at... - NARA - 294227.tif ✓ Done
620 "A general view looking south across the west side, showing the Westmix concrete plant, placing trestles and crane... - NARA - 294226.tif ✓ Done
621 "Excavation activities on the east side. Shovel on left is at elevation 1010 and the low crevice to the right is... - NARA - 294224.tif ✓ Done
622 "Excavation operations in the lower area on the east side. The dragline with the log boom is at elevation 830 or... - NARA - 294223.tif ✓ Done
623 "Rock excavation operations at elevation 1010, site of the proposed Eastmix concrete plant." - NARA - 294222.tif ✓ Done
624 "A general view of the east side showing the cofferdam and exposed rock on the abutment." - NARA - 294221.tif ✓ Done
625 "A night view of the Westmix concrete plant, placing trestles and concrete blocks." - NARA - 294220.tif ✓ Done
626 "A general view of the west side showing concrete plant and placing trestles. Block 40 is shown in the foreground... - NARA - 294219.tif ✓ Done
627 "Looking upstream across the west side showing the Westmix concrete plant, placing trestles and crane equipment." - NARA - 294218.tif ✓ Done
628 "Deep hole in block 40-A. Note the small amount of seepage water with the pump sump located about 100 feet from the... - NARA - 294217.tif ✓ Done
629 "A portion of block P4B ready for concrete." - NARA - 294216.tif ✓ Done
630 "Cat skinner." - NARA - 294215.tif ✓ Done
631 "Tractor powered scrapers taking top soil off gravel deposit at pit location." - NARA - 294214.tif ✓ Done
632 "Tractor skinner." - NARA - 294213.tif ✓ Done
633 "Detail of four cubic yard capacity shovel bucket used in excavation at damsite." - NARA - 294212.tif ✓ Done
634 "Workman placing steel piling in cofferdam cell." - NARA - 294211.tif ✓ Done
635 "Bird's eye view of Grand Coulee, Washington, boom town near Grand Coulee Dam." - NARA - 294210.tif ✓ Done
636 "Erecting tower to carry cable suspended conveyor belt across river from gravel plant to concrete mixing plant." - NARA - 294209.tif ✓ Done
637 "Driller and scalers in west abutment." - NARA - 294208.tif ✓ Done
638 "Drillers and scalers in west abutment." - NARA - 294207.tif ✓ Done
639 "A three-view panorama of the development from top of east abutment." - NARA - 294204.tif ✓ Done
640 "A three-view panorama of the development from top of east abutment." - NARA - 294205.tif ✓ Done
641 "A three-view panorama of the development from top of east abutment." - NARA - 294206.tif ✓ Done
642 "Downstream view of east pier, Government highway bridge, from west bank." - NARA - 294203.tif ✓ Done
643 "Upstream view of east pier. Government highway bridge, from west bank." - NARA - 294202.tif ✓ Done
644 "East and downstream view of east pier, Government Highway Bridge, from east bank." - NARA - 294201.tif ✓ Done
645 "A four-view panorama of east excavation area from east bank cofferdam." - NARA - 294195.tif ✓ Done
646 "A four-view panorama of east excavation area from east bank cofferdam." - NARA - 294196.tif ✓ Done
647 "A four-view panorama of east excavation area from east bank cofferdam." - NARA - 294197.tif ✓ Done
648 "A four-view panorama of east excavation area from east bank cofferdam." - NARA - 294198.tif ✓ Done
649 "View looking west of the east approach to Government Highway Bridge." - NARA - 294199.tif ✓ Done
650 "Upstream face of east pier, Government Highway Bridge, from east bank." - NARA - 294200.tif ✓ Done
651 "Driving wood piling for working platform in enlarging highway bridge pier 2." - NARA - 294167.tif ✓ Done
652 "Driving wood piling for working platform in enlarging highway bridge pier 2." - NARA - 294168.tif ✓ Done
653 "Driving wood piling for working platform in enlarging highway bridge pier 2." - NARA - 294169.tif ✓ Done
654 "Excavation for east approach to highway bridge." - NARA - 294170.tif ✓ Done
655 "Excavation for east approach to highway bridge." - NARA - 294171.tif ✓ Done
656 "Beginning operations in the Brett gravel pit. A 5-yard electric shovel dumping into a feeder hopper mounted on the... - NARA - 294172.tif ✓ Done
657 "Drainage bins for sand at aggregate plant." - NARA - 294173.tif ✓ Done
658 "Equipment used for spreading an asphaltic concrete road surface." - NARA - 294174.tif ✓ Done
659 "Equipment used for spreading an asphaltic concrete road surface." - NARA - 294175.tif ✓ Done
660 "Thanksgiving party for grade school children in recreation room of government schoolhouse." - NARA - 294176.tif ✓ Done
661 "Mr. F.A. Banks, Construction Engineer, U.S.B.R., right, greeting Clarence D. Martin, Governor of Washington, at the... - NARA - 294177.tif ✓ Done
662 "Governor Clarence D. Martin tripping the concrete bucket at the official first pour ceremony." - NARA - 294178.tif ✓ Done
663 "View of west bank area from east bank showing fog condition which has prevailed at the development during month of... - NARA - 294179.tif ✓ Done
664 "View of west bank abutment and power house area taken from conveyor deck of west bank suspended conveyor tower... - NARA - 294180.tif ✓ Done
665 "A downstream two-view progression picture showing the west bank area." - NARA - 294181.tif ✓ Done
666 "A downstream two-view progression picture showing the west bank area." - NARA - 294182.tif ✓ Done
667 "View of west bank area from west bank cofferdam. Whirley in foreground is placing concrete in section 40." - NARA - 294183.tif ✓ Done
668 "View of west bank area from top of forebay slope at west abutment." - NARA - 294184.tif ✓ Done
669 "View west looking down on portion of west bank concreted area from above block 20 on south pouring trestle." - NARA - 294185.tif ✓ Done
670 "View east looking down on portion of concreted area from trestle at Westmix plant." - NARA - 294186.tif ✓ Done
671 "View of bedrock and concrete poured section of west bank area." - NARA - 294187.tif ✓ Done
672 "Upstream view of block 40 taken from west bank conveyor tower." - NARA - 294188.tif ✓ Done
673 "Preparing block 40-J for concrete." - NARA - 294189.tif ✓ Done
674 "Ready for grout pour at block 40-H." - NARA - 294190.tif ✓ Done
675 "The Westmix concrete plant showing the concrete placing trestles, upper trestle at elevation 1024, lower trestle at... - NARA - 294139.tif ✓ Done
676 "Placing trestle showing the steel substructure, mixing plant in the background." - NARA - 294140.tif ✓ Done
677 "General view of the west side, concrete mixing plant and placing trestles in foreground, bedrock below, aggregate... - NARA - 294141.tif ✓ Done
678 "Looking down onto bedrock from above the lower concrete placing trestle - The Hammerhead or cantilever type crane... - NARA - 294142.tif ✓ Done
679 "Exposed bedrock on the west side with concrete mixing plant placing trestles and gantry cranes." - NARA - 294143.tif ✓ Done
680 "View of the west abutment showing the concrete plant, placing trestles, and suspension bridge carrying the aggregate... - NARA - 294144.tif ✓ Done
681 "Substructure for mixing plant and placing trestles, west side." - NARA - 294145.tif ✓ Done
682 "The area near the west abutment and powerhouse site in which the first pour of concrete was made. A completed pour... - NARA - 294146.tif ✓ Done
683 "Ready for a concrete pour in block 14G, showing cleaned bedrock and form work on which are mounted the metal... - NARA - 294147.tif ✓ Done
684 "A four-yard bucket of mortar being dumped on bedrock." - NARA - 294148.tif ✓ Done
685 "Spreading mortar over the bedrock." - NARA - 294149.tif ✓ Done
686 "Dumping a four-yard bucket of concrete." - NARA - 294150.tif ✓ Done
687 "Bedrock in block 16G prepared for concrete." - NARA - 294151.tif ✓ Done
688 "Bedrock in block 12G prepared for concrete." - NARA - 294152.tif ✓ Done
689 "View inside of west cofferdam showing heavy timber bracing across the special box type structure in excavating for... - NARA - 294153.tif ✓ Done
690 "Inside of west cofferdam showing whirley cranes excavating in block 40." - NARA - 294154.tif ✓ Done
691 "Bedrock exposed in block 40, with heavy timber bracing overhead." - NARA - 294155.tif ✓ Done
692 "Loading rock into skips in the preparation of foundation for block 40." - NARA - 294156.tif ✓ Done
693 "Heavy timber bracing which spans the special box type steel structure in block 40. This bracing forms a strut... - NARA - 294157.tif ✓ Done
694 "The east side excavation area with full view of river face of east side timber cofferdam, exposed rock wall on east... - NARA - 294158.tif ✓ Done
695 "Looking along the east side tailrace slope toward the exposed rock on the east abutment." - NARA - 294159.tif ✓ Done
696 "Draglines and shovels working in the deepest portion of the east side excavation area." - NARA - 294160.tif ✓ Done
697 "A general view looking west across the damsite - east excavation pit with conveyor feeder in foreground, cofferdams... - NARA - 294161.tif ✓ Done
698 "Holes drilled for blasting in jagged rock near upper end of east abutment." - NARA - 294162.tif ✓ Done
699 "Holes drilled for blasting in jagged rock near upper end of east abutment." - NARA - 294163.tif ✓ Done
700 "Highway bridge pier No. 2 showing ground leveled to elevation 942, preparatory to driving piling for enlargement of... - NARA - 294164.tif ✓ Done
701 "Highway bridge pier No. 2 from upstream side." - NARA - 294165.tif ✓ Done
702 "Highway bridge pier No. 2 from downstream side." - NARA - 294166.tif ✓ Done
703 "Drillers and scalers in west abutment." - NARA - 294137.tif ✓ Done
704 "Construction of cofferdam cells. Steam pile drivers putting down steel sheet piling." - NARA - 294138.tif ✓ Done
705 "Drillers and scalers in west abutment." - NARA - 294136.tif ✓ Done
706 "Power shovel dumping into tractor powered dump buggy in foundation excavation." - NARA - 294135.tif ✓ Done
707 "Train of dump buggies waiting to be filled in foundation excavation." - NARA - 294134.tif ✓ Done
708 "Putting down steel sheet piling in cofferdam cells." - NARA - 294133.tif ✓ Done
709 "Typical C.C.C. enrollee." - NARA - 294132.tif ✓ Done
710 "Roller bearings for belt conveyor leaving gravel screening plant." - NARA - 294131.tif ✓ Done
711 "Erection of storage silos at cement blending plant." - NARA - 294130.tif ✓ Done
712 "Construction of cofferdam cells." - NARA - 294129.tif ✓ Done
713 "Construction of cofferdam cells. Steam pile hammers putting down sheet steel piling." - NARA - 294128.tif ✓ Done
714 "Construction of cofferdam cells. Steam pile drivers putting down sheet steel." - NARA - 294127.tif ✓ Done
715 "General view of belt system used in disposal of excavated spoil. Two belt lines lead to hub in foreground. A second... - NARA - 294126.tif ✓ Done
716 "View showing arrangement for handling raw aggregate between pit and screening plant. Hopper and shuttle conveyor at... - NARA - 294125.tif ✓ Done
717 "Detail of installation of sand and gravel grading machinery, gravel screening and washing plant." - NARA - 294124.tif ✓ Done
718 "Erecting tower to carry suspended belt conveyor over river between gravel plant and concrete mixing plant. Conveyor... - NARA - 294123.tif ✓ Done
719 "Typical section of belt conveyor." - NARA - 294122.tif ✓ Done
720 "Terminus of belt conveyor system in Rattlesnake Canyon. View shows shuttle traction rig." - NARA - 294121.tif ✓ Done
721 "Transfer point on belt conveyor system." - NARA - 294120.tif ✓ Done
722 "Terminus of belt conveyor system in Rattlesnake Canyon." - NARA - 294119.tif ✓ Done
723 "Terminus of belt conveyor disposal system in Rattlesnake Canyon with view showing shuttle rig." - NARA - 294118.tif ✓ Done
724 "Squad of C.C.C. boys at work on landscape development, government town." - NARA - 294117.tif ✓ Done
725 "Terminus of belt conveyor system in Rattlesnake Canyon." - NARA - 294116.tif ✓ Done
726 "Bird's eye view of Grand Coulee Wash., boom town near Grand Coulee Dam." - NARA - 294115.tif ✓ Done
727 "Section of Grand Coulee, Wash., boom town near Grand Coulee Dam." - NARA - 294114.tif ✓ Done
728 "Street scene in Grand Coulee, Wash., boom town near Grand Coulee Dam." - NARA - 294113.tif ✓ Done
729 "Street scene in Grand Coulee, Wash., boom town near Grand Coulee Dam." - NARA - 294112.tif ✓ Done
730 "Drillers and scalers in west abutment." - NARA - 294111.tif ✓ Done
731 "Detail of transfer point or hub on conveyor belt system." - NARA - 294110.tif ✓ Done
732 "Drillers and scalers at work in west abutment." - NARA - 294109.tif ✓ Done
733 "Drillers and scalers at work in west abutment." - NARA - 294108.tif ✓ Done
734 "Driving steel sheet piling in cofferdam caissons." - NARA - 294107.tif ✓ Done
735 "Workman in bosun's chair placing sheet piling in caissons of cofferdam." - NARA - 294106.tif ✓ Done
736 "Detail of sand grading machinery, gravel washing and screening plant." - NARA - 294105.tif ✓ Done
737 "Tractor powered scrapers removing top soil from gravel pit." - NARA - 294104.tif ✓ Done
738 "Erecting silos at cement blending and storage plant." - NARA - 294103.tif ✓ Done
739 "Trestle bridge carrying conveyor belt over Columbia River." - NARA - 294102.tif ✓ Done
740 "Drillers and scalers working in west abutment." - NARA - 294100.tif ✓ Done
741 "General view of operations at Grand Coulee Dam showing damsite, government town and contractor's town as seen from... - NARA - 294099.tif ✓ Done
742 "Typical muck moving equipment. Photo shows dump buggy hauled by tractor dumping load onto grizzly for transportation... - NARA - 294101.tif ✓ Done
743 Panorama of general works area taken from top of forebay slope on the east side - NARA - 294096.tif ✓ Done
744 Panorama of general works area taken from top of forebay slope on the east side - NARA - 294097.tif ✓ Done
745 Panorama of general works area taken from top of forebay slope on the east side - NARA - 294098.tif ✓ Done
746 "Excavation operations at toe of east tailrace." - NARA - 294091.tif ✓ Done
747 "East cofferdam under construction." - NARA - 294090.tif ✓ Done
748 "Back of the west cofferdam, under construction. Sand and gravel bridge overhead." - NARA - 294089.tif ✓ Done
749 "A 5-yard electric shovel loading 10-yard 'buggies' in the east excavation." - NARA - 294088.tif ✓ Done
750 "Reeling up highline cable used in erecting highway bridge superstructure." - NARA - 294087.tif ✓ Done
751 "Jackhammers in west bedrock." - NARA - 294086.tif ✓ Done
752 "Jackhammers on west bedrock." - NARA - 294085.tif ✓ Done
753 "Jackhammers on west bedrock." - NARA - 294084.tif ✓ Done
754 "Jackhammers on west side bedrock." - NARA - 294083.tif ✓ Done
755 "Placing one of the large steam hammers after stringing the piles in a cell of the closure section to 'block 40.'" - NARA - 294082.tif ✓ Done
756 "Driving steel piling in a closure cell with a 6-1-2-foot-ton steam hammer." - NARA - 294081.tif ✓ Done
757 "Stringing piling in a cell of the closure section on the west side." - NARA - 294080.tif ✓ Done
758 "Threading a steel pile in one of the 'block 40' closure cells." - NARA - 294079.tif ✓ Done
759 "The 60-inch conveyor, from feeder E8 in the east excavation area to the spoil pile in Rattlesnake Canyon on the west... - NARA - 294078.tif ✓ Done
760 "A part of the west abutment." - NARA - 294077.tif ✓ Done
761 "Behind section E of west cofferdam where bedrock overburden is being removed for placing of block 40 of the Grand... - NARA - 294076.tif ✓ Done
762 "Uncovered rock at east abutment - east side Wakefield piling cofferdam conveyor crossing Columbia River to west side... - NARA - 294075.tif ✓ Done
763 "Looking down on bedrock from west tailrace slope - forebay slope in the distance. To the left is conveyor from... - NARA - 294074.tif ✓ Done
764 "West side bedrock as seen from the west end of forebay slope. From left, concrete mixing plant - bent for low... - NARA - 294073.tif ✓ Done
765 "West side of bedrock as seen from the west end of forebay slope. From left, concrete mixing plant - bent for low... - NARA - 294072.tif ✓ Done
766 "Some of the 40 four-yard concrete buckets." - NARA - 294071.tif ✓ Done
767 "A slide on west end of east forebay slope." - NARA - 294070.tif ✓ Done
768 "Concrete column support for west mixing plant." - NARA - 294069.tif ✓ Done
769 "Pouring concrete column supports for the west mixing plant." - NARA - 294068.tif ✓ Done
770 "The sand and gravel conveyor from mixer storage to the west side mixer. On the left of the mixing plant is excavated... - NARA - 294067.tif ✓ Done
771 "West side operations on bedrock - upstream slope on the left, tailrace slope on the right showing riprap. Portion of... - NARA - 294066.tif ✓ Done
772 "West side operations on bedrock - upstream slope on the left, tailrace slope on the right showing riprap. Portion of... - NARA - 294065.tif ✓ Done
773 "East side cofferdam and excavation area - forebay slope to the right." - NARA - 294064.tif ✓ Done
774 "East side excavation area - tailrace slope on the left. In the upper center of 770 is 'tripper' at the sand and... - NARA - 294063.tif ✓ Done
775 "East side excavation area - tailrace slope on the left. In the upper center of 770 is 'tripper' at the sand and... - NARA - 294062.tif ✓ Done
776 "East side excavation area - tailrace slope on the left. In the upper center of 770 is 'tripper' at the sand and... - NARA - 294061.tif ✓ Done
777 "Panorama showing excavation area on the east side, including conveyor carrying the spoil across Columbia River to... - NARA - 294060.tif ✓ Done
778 "Panorama showing excavation area on the east side, including conveyor carrying the spoil across Columbia River to... - NARA - 294059.tif ✓ Done
779 "Panorama showing excavation area on the east side, including conveyor carrying the spoil across Columbia River to... - NARA - 294058.tif ✓ Done
780 "West side concrete mixing plant under construction. Floor of suspension bridge for sand and gravel conveyor at the... - NARA - 294057.tif ✓ Done
781 "Concrete bulkhead across the haul ramp in 'block 40' after excavating to elevation 905 (30 feet) and one of the... - NARA - 294056.tif ✓ Done
782 "A close-up of trusses in 'block 40'." - NARA - 294055.tif ✓ Done
783 "Excavating for 'block 40' showing the heavy timber trusses, or struts. Over 4 million board feet of lumber is used... - NARA - 294054.tif ✓ Done
784 "West side concrete mixing plant under construction - four 4-cubic yard mixers on the lower floor. On the floor above... - NARA - 294053.tif ✓ Done
785 "A portion of the west mixing plant under construction, showing one of the four 4-cubic yard mixers." - NARA - 294052.tif ✓ Done
786 "Behind the Wakefield piling cofferdam under construction on the west side. In the foreground are some of the 60-inch... - NARA - 294051.tif ✓ Done
787 "A scene in the east side excavation area." - NARA - 294050.tif ✓ Done
788 "The 3,000 foot cellular steel cofferdam and a portion of the 3,500 foot suspension bridge for the belt conveyor... - NARA - 294049.tif ✓ Done
789 "Under the trusses in 'block 40'. - NARA - 294048.tif ✓ Done
790 "Laying west tailrace mat." - NARA - 294047.tif ✓ Done
791 "View showing the successive lava flows making up the escarpments of Grand Coulee. This photo made near Dry Falls." - NARA - 294046.tif ✓ Done
792 "The overflow crest of Dry Falls, Grand Coulee, Washington, as seen from across the lake at the base of the falls." - NARA - 294045.tif ✓ Done
793 "Steamboat rock in Grand Coulee. This landmark is located in the middle of the coulee about eight miles from the dam... - NARA - 294044.tif ✓ Done
794 "Typical rimrock and talus formation in Grand Coulee, Washington. This photo made near Grand Coulee Dam terminus of... - NARA - 294043.tif ✓ Done
795 "Typical rimrock and talus formation in Grand Coulee, Washington. This photo made near Dry Falls." - NARA - 294042.tif ✓ Done
796 "Typical rimrock and talus formation in the cliffs of Grand Coulee, Washington." - NARA - 294041.tif ✓ Done
797 "Steamboat Rock, a landmark in Grand Coulee." - NARA - 294040.tif ✓ Done
798 "Typical rim-rock formation in Grand Coulee. Some 20 distinct lava flows are traceable in the cliffs of basalt which... - NARA - 294039.tif ✓ Done
799 "Steamboat Rock, a landmark in Grand Coulee, near the Grand Coulee Dam inlet to Grand Coulee proper." - NARA - 294038.tif ✓ Done
800 "Dry Falls, near Coulee City, Washington." - NARA - 294037.tif ✓ Done
801 "Dry Falls near Coulee City, Washington. This is near the southern termination of Grand Coulee proper. The falls were... - NARA - 294036.tif ✓ Done
802 "Highway bridge showing superstructure completed. Construction of approaches under way." - NARA - 294035.tif ✓ Done
803 "Contractor's sand and gravel plant. From top to bottom can be seen the 200 foot boom with hopper, the trestle... - NARA - 294034.tif ✓ Done
804 "Contractor's sand and gravel plant. The screen house and one of the plant gravel conveyors and ladders." - NARA - 294033.tif ✓ Done
805 "Contractor's sand and gravel plant. The screening and washing house to the right the four plant conveyors and to the... - NARA - 294032.tif ✓ Done
806 "The gravel 'ladders' from the plant conveyors to the tunnel underneath and the 48-inch belt running to the mixer... - NARA - 294031.tif ✓ Done
807 "Sand and gravel plant. The building to the right is the crusher plant from which the conveyor runs to the balancing... - NARA - 294030.tif ✓ Done
808 "The discharge end of the 200 foot conveyor boom in the gravel pit, straddling the conveyor running out on the... - NARA - 294029.tif ✓ Done
809 "General view of contractor's sand and gravel plant..." - NARA - 294028.tif ✓ Done
810 "View of cement storage and blending plant - eight steel storage silos, 5,000 barrels each and two blending silos... - NARA - 294027.tif ✓ Done
811 "View of cement storage and blending plant - eight steel storage silos, 5,000 barrels each and two blending silos... - NARA - 294026.tif ✓ Done
812 "View of cement storage and blending plant - eight steel storage silos, 5,000 barrels each and two blending silos... - NARA - 294025.tif ✓ Done
813 "East tower of suspension bridge for sand and gravel conveyor." - NARA - 294024.tif ✓ Done
814 "Arranging wind bracing for suspension bridge." - NARA - 294023.tif ✓ Done
815 "Arranging wind bracing for suspension bridge." - NARA - 294022.tif ✓ Done
816 "A rigger attaching suspenders to a pair of the 2-1-2 inch suspension cables of the sand and gravel conveyor bridge." - NARA - 294021.tif ✓ Done
817 "Hanging the floor on the sand and gravel conveyor bridge." - NARA - 294020.tif ✓ Done
818 "A rigger attaching suspenders to a pair of the 2-1-2 inch suspension cables of the sand and gravel conveyor bridge." - NARA - 294019.tif ✓ Done
819 "Conveyor suspension bridge under construction." - NARA - 294018.tif ✓ Done
820 "Conveyor suspension bridge under construction." - NARA - 294017.tif ✓ Done
821 "Conveyor suspension bridge under construction." - NARA - 294016.tif ✓ Done
822 "Conveyor suspension bridge under construction." - NARA - 294015.tif ✓ Done
823 "Conveyor suspension bridge under construction." - NARA - 294014.tif ✓ Done
824 "Grand Coulee Conveyor suspension bridge under construction." - NARA - 294013.tif ✓ Done
825 "Conveyor suspension bridge under construction." - NARA - 294012.tif ✓ Done
826 "Looking up at the center tower of the conveyor suspension bridge." - NARA - 294011.tif ✓ Done
827 "Center tower of the conveyor suspension bridge, 325 feet high." - NARA - 294010.tif ✓ Done
828 "Conveyor suspension bridge under construction, looking west." - NARA - 294009.tif ✓ Done
829 "Conveyor suspension bridge under construction." - NARA - 294008.tif ✓ Done
830 "Suspension bridge for transporting sand and gravel to the west side mixing plant. The two spans shown here are each... - NARA - 294007.tif ✓ Done
831 "The 175-foot boom of the conveyor stacker section discharging material from the east side, 7,000 feet distant." - NARA - 294006.tif ✓ Done
832 "The 175-foot boom of the conveyor stacker section discharging material from the east side, 7,000 feet distant." - NARA - 294005.tif ✓ Done
833 "One of the mainline sections of the 60-inch belt conveyor 175 feet boom in upper right corner." - NARA - 294004.tif ✓ Done
834 "The 175-foot boom of the conveyor stacker section discharging material from the east side, 7,000 feet distant." - NARA - 294003.tif ✓ Done
835 "East side excavation area." - NARA - 294002.tif ✓ Done
836 "East side excavation area." - NARA - 294001.tif ✓ Done
837 "The heavy timber struts between the sheet steel walls in section 'F.' Excavation to bedrock, 60 feet deep, is going... - NARA - 294000.tif ✓ Done
838 "Steel piling cells under construction between the north end of 'Block 40' and cofferdam section 'G.' In the lower... - NARA - 293999.tif ✓ Done
839 "Another view of operations behind the cofferdam section 'E' (see 702). The men overhead are placing the floor on the... - NARA - 293998.tif ✓ Done
840 "Behind section 'E' of the west cofferdam - the first concrete in the Grand Coulee Dam, 'Block 40,' will be placed... - NARA - 293997.tif ✓ Done
841 "View from the east abutment - excavation area for the east end of the dam in the foreground. The wood piling along... - NARA - 293996.tif ✓ Done
842 "In the center is toe of dumped riprap on west tailrace slope, upper right corner shows a portion of the dumped rock... - NARA - 293995.tif ✓ Done
843 "Another view of bedrock on the west end, showing cleanup operations under way with a 5-yard electric shovel loading... - NARA - 293994.tif ✓ Done
844 "Looking down on bedrock on the west side, the clean-up conveyor feeder running up the grade toward the left." - NARA - 293993.tif ✓ Done
845 "Core sections from the 36" Calyx drill hole No. 2 - 30 feet deep." - NARA - 293992.tif ✓ Done
846 "Looking down one of the 26" drill holes showing seams in the granite foundation, inspectors will be lowered into... - NARA - 293991.tif ✓ Done
847 "The Calyx 36" core drilling rig." - NARA - 293990.tif ✓ Done
848 "Bedrock for the west end of the dam with upstream slope in the distance." - NARA - 293989.tif ✓ Done
849 "Bedrock for the west end of the dam." - NARA - 293988.tif ✓ Done
850 "Jackhammer men on the west abutment." - NARA - 293987.tif ✓ Done
851 "A close-up picture of solid granite being prepared for the west dam abutment, the rock ledge at the right is where... - NARA - 293986.tif ✓ Done
852 "This shows bedrock on the west end of the dam foundation, the west abutment is to the right and the ledge in the... - NARA - 293985.tif ✓ Done
853 The southeast corner of the immense 3,000 foot Grand Coulee cofferdam - NARA - 293984.tif
854 "A panorama of the west side." - NARA - 293980.tif ✓ Done
855 "A panorama of the west side." - NARA - 293981.tif ✓ Done
856 "A panorama of the west side." - NARA - 293982.tif ✓ Done
857 "The completed dam. This is an aerial photograph on which an artist has placed the dam as it will look when... - NARA - 293979.tif ✓ Done
858 "View from east tailrace slope - east and center conveyor suspension bridge towers - cofferdam, and in center of... - NARA - 293978.tif ✓ Done
859 "East side excavation area, showing the two conveyor feeder belts leading to cross-river conveyor, with main-line... - NARA - 293977.tif ✓ Done
860 "In the excavation area on east side - pegged drill holes in upper left corner." - NARA - 293976.tif ✓ Done
861 "A view of the south end of the east slope." - NARA - 293975.tif ✓ Done
862 "View under highway bridge." - NARA - 293974.tif ✓ Done
863 "Pouring an approach bent, west side of highway bridge." - NARA - 293973.tif ✓ Done
864 "Highway bridge under construction." - NARA - 293972.tif ✓ Done
865 "Highway bridge under construction." - NARA - 293971.tif ✓ Done
866 "View shows pier skirting stripped during high water 1935." - NARA - 293970.tif ✓ Done
867 "An electric welder." - NARA - 293969.tif ✓ Done
868 "Airplane tripper stacker at mixer storage pile, sand and gravel system." - NARA - 293968.tif ✓ Done
869 "Detail of sand classifier at sand and gravel plant." - NARA - 293967.tif ✓ Done
870 "Dorr clarifier tanks sand and gravel plant, capacity 3,600,000 gallons." - NARA - 293966.tif ✓ Done
871 "Rollers in place for conveyor belts leading from sand classifiers of the sand and gravel plant." - NARA - 293965.tif ✓ Done
872 "Sand and gravel dewatering equipment." - NARA - 293964.tif ✓ Done
873 "East side excavation area in the foreground showing feeder belts to cross-river conveyor, cofferdam in distance." - NARA - 293963.tif ✓ Done
874 "Excavating equipment east side area." - NARA - 293959.tif ✓ Done
875 "Drilling on east abutment." - NARA - 293960.tif ✓ Done
876 "Cross-river conveyor from the east side carrying excavated material to the main line on the west side." - NARA - 293961.tif ✓ Done
877 "Cross-river conveyor from the east side carrying excavated material to the main line on the west side." - NARA - 293962.tif ✓ Done
878 "Heavy timber framing for conveyor feeders." - NARA - 293955.tif ✓ Done
879 "Excavating equipment east side area." - NARA - 293956.tif ✓ Done
880 "Excavating equipment east side area." - NARA - 293957.tif ✓ Done
881 "Excavating equipment east side area." - NARA - 293958.tif ✓ Done
882 "Permanent power house." - NARA - 294508.tif ✓ Done
883 "Foundation of dam." - NARA - 294509.tif ✓ Done
884 "Flood." - NARA - 294510.tif ✓ Done
885 "Roosevelt Dam." - NARA - 294518.tif ✓ Done
886 "Operating Mr. Ensign's valve from west of river." - NARA - 294517.tif ✓ Done
887 "Permanent power plant." - NARA - 294516.tif ✓ Done
888 "Interior of temporary power house." - NARA - 294514.tif ✓ Done
889 "Roosevelt Dam." - NARA - 294520.tif ✓ Done
890 "Roosevelt Dam." - NARA - 294521.tif ✓ Done
891 "Roosevelt Dam." - NARA - 294519.tif ✓ Done
892 "Spillway power canal, dam site." - NARA - 294502.tif ✓ Done
893 "Roosevelt Dam." - NARA - 294525.tif ✓ Done
894 "Roosevelt Dam." - NARA - 294524.tif ✓ Done
895 "Roosevelt Dam." - NARA - 294523.tif ✓ Done
896 "Roosevelt Dam." - NARA - 294522.tif ✓ Done
897 "Flood, view looking upstream." - NARA - 294563.tif ✓ Done
898 "View from point ^2." - NARA - 294536.tif ✓ Done
899 "Cement tramway terminal and mixer (O'Rourke ^amp, Co.)." - NARA - 294535.tif ✓ Done
900 "Cement tramway at sand crushing plant." - NARA - 294534.tif ✓ Done
901 "Roosevelt Dam. Balanced valves at mouth of north tunnel." - NARA - 294554.tif ✓ Done
902 "Below Roosevelt Dam, showing the 38" needle valves." - NARA - 294552.tif ✓ Done
903 "Below Roosevelt Dam, 38" needle valves." - NARA - 294553.tif ✓ Done
904 "Downstream side of racks at head of sluicing tunnel." - NARA - 294551.tif ✓ Done
905 "The population of Roosevelt and the government engineer greeting the congressional excursion." - NARA - 294498.tif ✓ Done
906 "Roosevelt Dam." - NARA - 294499.tif ✓ Done
907 "Headquarters camp. Roosevelt Dam." - NARA - 294500.tif ✓ Done
908 "Engineers, Roosevelt camp." - NARA - 294501.tif ✓ Done
909 "Operating Mr. Ensign's valve." - NARA - 294503.tif ✓ Done
910 "Turbine wheel for temporary power plant." - NARA - 294504.tif ✓ Done
911 "View of dam from point 2." - NARA - 294506.tif ✓ Done
912 "Power house construction." - NARA - 294507.tif ✓ Done
913 "Erecting roof on power house." - NARA - 294511.tif ✓ Done
914 "View of power house." - NARA - 294512.tif ✓ Done
915 "View showing cement plant and power house with the gaging station in the foreground, taken from west bank of river... - NARA - 294513.tif ✓ Done
916 "Temporary power house." - NARA - 294515.tif ✓ Done
917 "Roosevelt Dam." - NARA - 294526.tif ✓ Done
918 "Roosevelt power house construction." - NARA - 294527.tif ✓ Done
919 "Roosevelt Dam." - NARA - 294528.tif ✓ Done
920 "Roosevelt Dam." - NARA - 294529.tif ✓ Done
921 "Erecting roof trusses at Roosevelt power plant." - NARA - 294530.tif ✓ Done
922 "Erecting roof trusses." - NARA - 294531.tif ✓ Done
923 "Generator in power plant." - NARA - 294532.tif ✓ Done
924 "Exciter in power house." - NARA - 294533.tif ✓ Done
925 "Roosevelt Dam. Downstream side of sluice gates. (Flashlight)." - NARA - 294540.tif ✓ Done
926 "Roosevelt Dam. Upstream side of sluice gates. (Flashlight)." - NARA - 294539.tif ✓ Done
927 "Roosevelt Dam. Closed entrance of sluice tunnel. Exterior view." - NARA - 294538.tif ✓ Done
928 "View from point ^1, showing flood." - NARA - 294537.tif ✓ Done
929 "Roosevelt Dam. Flashlight view of upstream face of sluice gates." - NARA - 294541.tif ✓ Done
930 "Flashlight showing upstream gate of sluice tunnel." - NARA - 294542.tif ✓ Done
931 "Flashlight showing downstream side of gates of sluicing tunnel." - NARA - 294543.tif ✓ Done
932 "Flashlight showing rolls of gateways of sluicing tunnel." - NARA - 294544.tif ✓ Done
933 "5 ft. and 6 ft. gate valves, 220 ft. head." - NARA - 294545.tif ✓ Done
934 "Roosevelt Dam. Blacksmith shop and hoist." - NARA - 294546.tif ✓ Done
935 "Roosevelt Dam. Gates 11, 12, 13, and 14. North spillway. Note poor concrete near upstream end of piers that have... - NARA - 294547.tif ✓ Done
936 "Roosevelt Dam. General view of south spillway, looking downstream." - NARA - 294548.tif ✓ Done
937 "Roosevelt Dam. General view of north spillway looking downstream and toward north abutment." - NARA - 294549.tif ✓ Done
938 "Roosevelt Dam. View of north spillway. Concrete between piers has been completed." - NARA - 294550.tif ✓ Done
939 "Roosevelt Dam. View from downstream side of dam showing south spillway. Note concrete operations on aprons between... - NARA - 294505.tif ✓ Done
940 "Roosevelt Dam. View of south spillway looking downstream. Note concrete operations between piers." - NARA - 294620.tif ✓ Done
941 "Roosevelt Dam. View of south spillway showing concrete removal and chipping of piers." - NARA - 294617.tif ✓ Done
942 "Roosevelt Dam. View of south spillway, looking downstream." - NARA - 294619.tif ✓ Done
943 "Roosevelt Dam. General view of nearly completed north spillway." - NARA - 294621.tif ✓ Done
944 "Roosevelt Dam. South Spillway. Note gunite operations near center gates." - NARA - 294622.tif ✓ Done
945 "Roosevelt Dam. North spillway. Note gunite training wall at north abutment." - NARA - 294623.tif ✓ Done
946 "Intake diversion dam. General view of gravel plant at deposit two miles below dam." - NARA - 294573.tif ✓ Done
947 "Intake diversion dam. Diversion of Salt River through intake tunnel. Shovel and bulldozer on right placing silt over... - NARA - 294574.tif ✓ Done
948 "Intake diversion dam. Diversion of Salt River through intake tunnel flow 189 sec.-ft." - NARA - 294575.tif ✓ Done
949 "Intake diversion dam. View showing old north abutment and portion of old ogee section." - NARA - 294579.tif ✓ Done
950 "Roosevelt Dam. North spillway. Note honeycomb on old pier." - NARA - 294578.tif ✓ Done
951 "Roosevelt Dam. View of north spillway. Note excavation of right abutment." - NARA - 294616.tif ✓ Done
952 "Roosevelt Dam. View of south spillway showing progress of concrete removal and chipping of piers." - NARA - 294615.tif ✓ Done
953 "Roosevelt Dam. View of downstream side of north spillway, showing new concrete aprons and crests." - NARA - 294618.tif ✓ Done
954 "Intake diversion dam. View from south end of 80' section adjacent to north abutment, showing new cut-off walls." - NARA - 294581.tif ✓ Done
955 "Intake diversion dam. View from south abutment showing new cut-off walls. Edge of sluiceway structure in lower right... - NARA - 294582.tif ✓ Done
956 "Intake diversion dam. View looking toward sluiceway structure and left abutment showing riprap." - NARA - 294583.tif ✓ Done
957 "Intake diversion dam. View showing rock riprap and nearly completed slope paving on right abutment. Portion of... - NARA - 294584.tif ✓ Done
958 "Salt River - Power Canal - View looking downstream, that shows wood flume located 300' upstream from tunnel 3A. Note... - NARA - 294565.tif ✓ Done
959 "Salt River - Power Canal - Wood flume 300' upstream from structure 3A. River is at bottom of fill to left. Sta. 165." - NARA - 294564.tif ✓ Done
960 "Intake diversion dam. General view from south abutment, showing old dam." - NARA - 294577.tif ✓ Done
961 "Intake diversion dam. General view from north abutment before removal of portions of old dam." - NARA - 294576.tif ✓ Done
962 "Bronze plaque at Roosevelt Dam." - NARA - 294652.tif ✓ Done
963 "Bronze plaque at Roosevelt Dam. Close up" - NARA - 294653.tif
964 "Salt River - Power Canal - Temporary repair in fill section near mil3 12. Heavy lining is recommended through this... - NARA - 294566.tif
965 "View looking upstream showing lowering of streambed on downstream side of structure. Canal flow to right. Sta. 665." - NARA - 294567.tif
966 "Salt River - Power Canal - Temporary repair in vicinity of mile 12." - NARA - 294568.tif
967 "Salt River - Power Canal - General view in mile 12 showing wood flume in heavy fill. Material here is a porous clay.... - NARA - 294569.tif
968 "Salt River - Power Canal - View looking upstream headwall. Note cracks, which indicate movement down the wash. Sta.... - NARA - 294570.tif
969 Salt River - Power Canal - Structure 8J (Gray Tunnel). View of tunnel outlet. Note failure of arch crown and invert.... - NARA - 294571.tif
970 "Salt River - Power Canal - View of temporary repair to canal 200' downstream from outlet of Pinto Creek Siphon. Sta.... - NARA - 294572.tif
971 "Salt River - Power Canal Diversion Dam - View looking downstream showing formwork for panels C and D, of apron... - NARA - 294555.tif
972 "General view of the Salt River. To the right of or down river from the north abutment it appears that there was... - NARA - 294590.tif
973 "General view of the Salt River. To the right of or downriver from the north abutment it appears that there was... - NARA - 294591.tif
974 "Power Diversion Dam, Salt River." - NARA - 294586.tif
975 "Power Diversion Dam, Salt River." - NARA - 294587.tif
976 "Power Diversion Dam, These views taken from the north abutment, showing the right bank directly above the dam." - NARA - 294588.tif
977 "Power Diversion Dam, These views taken from the north abutment, showing the right bank directly above the dam." - NARA - 294589.tif
978 "General view looking downriver from above the Dam - on left photograph the bouldery gravel directly downriver from... - NARA - 294585.tif
979 "Salt River - Power Canal Diversion Dam - View looking downstream showing completed panel B of apron extension at... - NARA - 294556.tif
980 "Salt River - Power Canal - View from completed gunite canal lining, Station 167-50 to Station 168-98 (Contract)." - NARA - 294592.tif
981 "Salt River - Power Canal - View of steel reinforcement in canal lining at realignment station 163-34 (Contract)." - NARA - 294593.tif
982 "Salt River - Power Canal - View of completed 3' x 12' x 32' redwood flume at station 147-80 (Force Account)." - NARA - 294594.tif
983 "Salt River - Power Canal - View of completed 3' x 12' x 32' redwood flume at statiion 147-80 (Force Account)." - NARA - 294595.tif
984 "Salt River - Power Canal Diversion Dam - View from left abutment - apron completed through Panel J, except for... - NARA - 294596.tif
985 "Salt River - Power Canal - Diversion Dam - View of slab of Panel M being poured. (Contract). - NARA - 294597.tif
986 "Salt River - Power Canal - Diversion Dam - View from right abutment - slab Panel M and cutoff wall panel L ready to... - NARA - 294598.tif
987 "Salt River - Power Canal - Diversion Dam - View from left abutment of Dam. Apron completed except for sills for... - NARA - 294599.tif
988 "Salt River - Power Canal - Gate structure at Roosevelt Diversion Power Canal. Pouring of concrete and installation... - NARA - 294600.tif
989 "Salt River - Power Canal - Typical section of gunite lining, Roosevelt Power Canal, one side and bottom only at... - NARA - 294601.tif
990 "Salt River - Power Canal - Typical section of gunite lining, Roosevelt Power Canal, one side and bottom only at... - NARA - 294602.tif
991 "Salt River - Power Canal - Typical canal excavation and cleaning, Roosevelt Power Canal. This work is being done... - NARA - 294603.tif
992 "Salt River - Power Canal - Typical canal excavation and cleaning, Roosevelt Power Canal. This work is being done... - NARA - 294604.tif
993 "View showing the rubble masonry protective work below the overpass. This work done by Government forces." - NARA - 294605.tif
994 "View showing the old concrete overpass and skimmer at station 144-40 of the Roosevelt Power Canal." - NARA - 294606.tif
995 "Salt River - Power Canal Intake - General view of intake structure." - NARA - 294557.tif
996 "Salt River - Power Canal Intake (Contract) - View looking south showing progress of work on canal intake gates." - NARA - 294607.tif
997 "Salt River - Power Canal Intake (Contract) - View looking downstream at Diversion Dam sluiceway showing progress of... - NARA - 294608.tif
998 "Salt River - Power Canal (Force Account) - Upstream end of Gray tunnel." - NARA - 294609.tif
999 "Salt River - Power Canal (Force Account) - Partially completed gunite lining in Gray tunnel, showing reinforcement... - NARA - 294610.tif
1000 "Salt River - Power Canal - (Force Account) - New rubble masonry outspill for old concrete overpass 2-E." - NARA - 294611.tif
1001 "Salt River - Power Canal - (Force Account) - View of old concrete overpass 2-E." - NARA - 294612.tif
1002 "Salt River - Power Canal - (Force Account) - Overpass flume at station 147-80." - NARA - 294613.tif
1003 "Salt River - Power Canal - (Force Account) - New rubble masonry outspill for new overpass flumes at station 147-80." - NARA - 294614.tif
1004 "Salt River - Power Canal Intake - View showing new gate hoists, trashrack, walkway and other improvements (Contract). - NARA - 294558.tif
1005 "Salt River - Power Canal - Rubble masonry spillway channel for grapevine sluiceway. Built by Government forces." - NARA - 294559.tif
1006 "Salt River - Power Canal - Partially completed concrete siphon 12-E. (Contract)" - NARA - 294560.tif
1007 "Stewart Mountain Dam. R.A. Hill, Senator Hayden, Lin B. Orme, Hudson, Dobson, H.J. Lanson, Allen Mattison. North... - NARA - 294624.tif ✓ Done
1008 "Stewart Mountain Dam. General view of spillway channel looking toward left abutment of dam. Note left wall completed... - NARA - 294625.tif ✓ Done
1009 "Stewart Mountain Dam. View looking toward upper end of right wall. Note trenches for piers 5 and 6 in foreground... - NARA - 294626.tif ✓ Done
1010 "Stewart Mountain Dam. View looking downstream, new spillway channel. Left counterfort wall in lower left corner." - NARA - 294627.tif
1011 "Stewart Mountain spillway. View looking downstream along supported floor 3-4, with floors 2-3 and 4-5 not poured." - NARA - 294629.tif ✓ Done
1012 "Stewart Mountain spillway. View of gravel plant." - NARA - 294630.tif ✓ Done
1013 "Stewart Mountain spillway. View looking downstream along right wall showing progress of concreting and backfilling." - NARA - 294631.tif ✓ Done
1014 "Stewart Mountain spillway. View looking downstream along left wall, showing backfill." - NARA - 294632.tif ✓ Done
1015 "Stewart Mountain Dam. View of downstream cut-off wall, looking toward right wall." - NARA - 294633.tif ✓ Done
1016 "Stewart Mountain Dam. View from downstream side of dam showing completed spillway channel." - NARA - 294636.tif ✓ Done
1017 "Stewart Mountain Dam. General view of dam and spillway, looking toward right side of canyon." - NARA - 294634.tif ✓ Done
1018 "Stewart Mountain Dam. General view of spillway channel from right abutment of dam." - NARA - 294635.tif ✓ Done
1019 "Salt River - Stewart Mountain Dam - Spillway escape channel constructed by U.S.B.R. - 1936." - NARA - 294561.tif ✓ Done
1020 "Salt River - Stewart Mountain Dam - Near view of radial gate spillway." - NARA - 294562.tif ✓ Done
1021 "Stewart Mountain Dam. View of spillway operating mechanism. Stiffly derrick used in construction of pier extension... - NARA - 294637.tif ✓ Done
1022 "View of portion of spillway channel, showing gutter and right wall." - NARA - 294638.tif
1023 "Stewart Mountain Dam. View from left abutment showing completed spillway channel." - NARA - 294639.tif ✓ Done
1024 "Stewart Mountain Dam. View from right abutment showing completed spillway channel." - NARA - 294640.tif ✓ Done
1025 "Stewart Mountain Dam. View of upstream faces of spillway gate. Note construction of pier extension at right abutment." - NARA - 294641.tif ✓ Done
1026 "Stewart Mountain Dam. The Stewart Mountain Dam showing the completed spillway discharge channel." - NARA - 294642.tif ✓ Done
1027 "Stewart Mountain Dam. View from left end of gate operating platform, channel excavation about 95^ complete." - NARA - 294643.tif ✓ Done
1028 "Stewart Mountain Dam. View from left end of gate operating platform, left wall about 90^ complete except 50 feet at... - NARA - 294644.tif ✓ Done
1029 "Stewart Mountain Dam. View showing chipping for revision of ogee section and for piers for spillway floor." - NARA - 294645.tif ✓ Done
1030 "Stewart Mountain Dam. View showing partial construction of the left conterfort wall." - NARA - 294646.tif ✓ Done
1031 "Stewart Mountain Dam. General view of spillway channel looking toward left abutment of dam. Note left wall completed... - NARA - 294647.tif ✓ Done
1032 "Stewart Mountain Dam. General view of new spillway channel. Note excavation for cut-off wall, left center, and new... - NARA - 294648.tif ✓ Done
1033 "Stewart Mountain Dam. View looking toward right wall showing piers, supported floors and buckets. Piers 5 and 6 in... - NARA - 294649.tif ✓ Done
1034 "Stewart Mountain Dam. View looking downstream of partly completed right wall with piers 13-14 and supported floor... - NARA - 294650.tif ✓ Done
1035 "Stewart Mountain Dam. View looking downstream showing backfill along left wall. Note excavation for downstream... - NARA - 294651.tif ✓ Done
1036 "Stewart Mountain Dam. View looking toward right wall. Supported floor 4-5 in foreground." - NARA - 294628.tif ✓ Done
1037 Sixth grade, public school, Boulder City, Nevada - NARA - 293734.tif ✓ Done
1038 Teaching staff of the Boulder City Grade School - NARA - 293732.tif ✓ Done
1039 Sixth grade, public school, Boulder City, Nevada - NARA - 293734.jpg
1040 Teaching staff of the Boulder City Grade School - NARA - 293732.jpg ✓ Done
1041 A portion of the 60-inch 1-1-2 mile long belt conveyor in the near foreground, the 3,000 ft. cellular steel... - NARA - 293983.tif ✓ Done
1042 A portion of the 110 ft. diameter caisson surrounding pier 2 of the highway bridge. Steel sheet piling forms the... - NARA - 294225.tif ✓ Done
1043 A view of operations at block 40. The railroad for delivery of concrete is shown to the right, on top of cofferdam... - NARA - 294253.tif ✓ Done
1044 A view of the west side concrete placing trestles showing cranes, cars and concrete buckets for transporting and... - NARA - 294249.tif ✓ Done
1045 A view of the west side taken after the first spring thaw. Upstream placing trestle is shown extended to the edge of... - NARA - 294250.tif ✓ Done
1046 "Boulder City, Nevada, commercial development at intersection of Nevada highway and Avenue B." - NARA - 293612.jpg ✓ Done
1047 "View looking across Nevada highway eastward through Arizona Street showing theater building in course of... - NARA - 293613.jpg ✓ Done
1048 "Federal garage at Boulder City, Nevada. View from southeast." - NARA - 293614.jpg ✓ Done
1049 "Government residences, 3 and 4-bedroom - Specifications No. 545-D, being erected on Utah Street, Boulder City, Nevada." - NARA - 293615.jpg ✓ Done
1050 "Government residences, six room, specifications No. 540-D. View showing grading operations preparatory to landscaping." - NARA - 293616.jpg ✓ Done
1051 "Nursery stock in heeling-in grounds at Boulder City, awaiting transplanting in permanent location." - NARA - 293617.jpg ✓ Done
1052 "Top soil blanketing operations around Administration Bldg. Boulder City preparatory to planting. One foot of top... - NARA - 293618.jpg ✓ Done
1053 "Planting and landscaping around Administration Bldg., Boulder City. View from southeast." - NARA - 293619.jpg ✓ Done
1054 "Planting and landscaping around Government dormitory, Boulder City. View from southwest." - NARA - 293620.jpg ✓ Done
1055 "Planting trees in parkways along Boulder City Streets. Chief landscape gardener Wilbur W. Weed, in charge of this... - NARA - 293621.jpg ✓ Done
1056 "View looking southeast across Boulder City business section and Escalante Plaza, Boulder City, showing planting and... - NARA - 293622.jpg ✓ Done
1057 "Cottages erected by Six Companies, Inc., in recently developed section in southeast limits of Boulder City Nevada.... - NARA - 293623.jpg ✓ Done
1058 "Looking Southwest across park towards Six Companies' area, Boulder City, Nevada. View shows beginning of landscape... - NARA - 293624.jpg ✓ Done
1059 "Automatic graphic recording devices at Six Companies' low level concrete rising plant." - NARA - 293625.jpg ✓ Done
1060 "Automatic scale dials and cement batchers at Six Companies' low level concrete mixing plant." - NARA - 293626.jpg ✓ Done
1061 "Rock crusher at Six Companies' gravel screening and washing plant." - NARA - 293627.jpg ✓ Done
1062 "Raw aggregate storage piles at Six Companies' gravel screening and washing plant." - NARA - 293628.jpg ✓ Done
1063 Sand and coarse aggregate batchers on upper batching deck at Six Companies' low level concrete mixing plant. - NARA - 293629.jpg
1064 "Group including members of the Concrete Consulting Board at the Six Companies' screening and washing plant. From... - NARA - 293630.jpg ✓ Done
1065 "Looking downstream through diversion tunnel No. 2 from point near inlet portal. Tracks over which gantry crane... - NARA - 293631.jpg ✓ Done
1066 "Stripping operations at Arizona gravel deposit. View looking downstream shows full depth of cut." - NARA - 293632.jpg ✓ Done
1067 "Loading concrete into 2-yd. bottom dump buckets at Six Companies' low level concrete mixing plant. Buckets are... - NARA - 293633.jpg ✓ Done
1068 "Looking northeast into Hemenway Wash from Government Administration Building, Boulder City." - NARA - 293634.jpg ✓ Done
1069 "Looking downstream into lower Black Canyon from point on Six Companies' construction road on Nevada side. Arizona... - NARA - 293635.jpg ✓ Done
1070 "Unloading cement at Six Companies low level concrete mixing plant." - NARA - 293636.jpg ✓ Done
1071 "Old concrete testing laboratory near Las Vegas, Nevada." - NARA - 293637.jpg ✓ Done
1072 "Reservoir on irrigated ranch in the vicinity of Hoover Dam." - NARA - 293638.jpg ✓ Done
1073 "Avenue of poplars on irrigated ranch in the vicinity of Hoover Dam." - NARA - 293639.jpg ✓ Done
1074 "Home on irrigated ranch in the vicinity of Hoover Dam." - NARA - 293640.jpg ✓ Done
1075 "Truck mounted drill rig used by Six Companies in upper portion of diversion tunnels. Rig is seen in the position in... - NARA - 293641.jpg ✓ Done
1076 "Gentry crane unloading bottom dump concrete buckets from truck in diversion tunnel No. 2" - NARA - 293642.jpg ✓ Done
1077 "Operations at inlet portal of diversion tunnel No. 2. Invert concrete and trashrack transition base are seen." - NARA - 293643.jpg ✓ Done
1078 "Looking down into aggregate conveyor at Six Companies' low level concrete mixing plant." - NARA - 293644.jpg ✓ Done
1079 "Group of visitors photographed on Lookout Point with Construction Engineer Walker R. Young. Left to right, Walker R.... - NARA - 293645.jpg ✓ Done
1080 "Forms for trashrack structure in place at inlet portal of diversion tunnel No. 3. Port through which tunnel concrete... - NARA - 293646.jpg ✓ Done
1081 "Rigger-rodman working with topography survey party in Black Canyon on Nevada side. Rodman is lowered over canyon rim... - NARA - 293647.jpg ✓ Done
1082 "Government residence at Boulder City showing the development of lawn and landscaping." - NARA - 293648.jpg ✓ Done
1083 "Government residences at Boulder City, showing development of lawns and landscaping." - NARA - 293649.jpg ✓ Done
1084 "Looking downstream into excavation for Nevada spillway structure. Flat face of cut at far end of excavation marks... - NARA - 293650.jpg ✓ Done
1085 "General view of treating and filtration plant, Boulder City Water Supply. View from east." - NARA - 293651.jpg ✓ Done
1086 "Interior of treating and filtration plant, Boulder City water supply. Rapid sand filters and controls at left." - NARA - 293652.jpg ✓ Done
1087 "Testing laboratory at treating and filtration plant, Boulder City Water Supply." - NARA - 293653.jpg ✓ Done
1088 "Mixing tanks and clarifying basins at treating and filtration plant, Boulder City Water Supply." - NARA - 293654.jpg ✓ Done
1089 "Pipe gallery at treating and filtration plant, Boulder City Water Supply. Pump section at right." - NARA - 293655.jpg ✓ Done
1090 "General view of Six Companies' gravel screening and washing plant at Three-way R.R. junction. View from hill to... - NARA - 293656.jpg ✓ Done
1091 "Portion of the field forces of the Bureau of Reclamation employed on surveys and inspection at Hoover Dam. Field... - NARA - 293657.jpg ✓ Done
1092 "Cooling unit installed in the mails and files office. U.S. Administration Building, Boulder City." - NARA - 293658.jpg ✓ Done
1093 "Cooling units as installed in the office engineer's drafting team, Government Administration Building, Boulder City... - NARA - 293659.jpg ✓ Done
1094 "Dual compressor installation serving cooling system, Government Administration Building, Boulder City, Nevada." - NARA - 293660.jpg ✓ Done
1095 "Single compressor installation serving cooling system, Government Administration Building." - NARA - 293661.jpg ✓ Done
1096 "Side-wall concrete forms in place in diversion tunnel No. 2. View from "raw" or unconcreted end of jumbo. Truck is... - NARA - 293662.jpg ✓ Done
1097 "Side-wall concrete in place in diversion tunnel No. 3. Two methods of wetting are shown. At right sprinkler system... - NARA - 293663.jpg ✓ Done
1098 "General view of operations in placing side-wall concrete in diversion tunnel No. 2. Note truck on floor in... - NARA - 293664.jpg ✓ Done
1099 "Residence of Office Engineer John C. Page. Bureau of Reclamation, Boulder City, Nevada, showing development of lawn... - NARA - 293665.jpg ✓ Done
1100 "Residence of Construction Engineer Walker R. Young, Bureau of Reclamation, Boulder City, showing development of lawn... - NARA - 293666.jpg ✓ Done
1101 "Side-wall concrete in place in diversion tunnel No. 2 near inlet. Photo taken after fourteenth day after pouring... - NARA - 293667.jpg ✓ Done
1102 "Looking downstream into open cut and excavation for Arizona spillway. Shovel is near location of inclined spillway... - NARA - 293668.jpg ✓ Done
1103 "Looking downstream into open cut and excavation for Arizona spillway. Shovel is near location of inclined spillway... - NARA - 293669.jpg ✓ Done
1104 "Looking toward canyon through excavation of forebay at Arizona spillway. Cliffs on Nevada side seen in background... - NARA - 293670.jpg ✓ Done
1105 "Looking into Black Canyon at Nevada Diversion Tunnel intake portals from top of canyon wall on Arizona side. Trash... - NARA - 293671.jpg ✓ Done
1106 "Fabricating steel-frame carriages for top arch concrete forms near diversion tunnel intakes on Nevada side. Note... - NARA - 293672.jpg ✓ Done
1107 "Detail of lower section of side-wall forms for lining diversion tunnels showing chutes through which concrete passes... - NARA - 293673.jpg ✓ Done
1108 "Tamping concrete behind forms in placing side-wall concrete in diversion tunnel lining. Photo taken when pour was... - NARA - 293674.jpg ✓ Done
1109 "Side-wall concrete forms in place in diversion tunnel No. 2. Truck with dump buckets seen in aisle under jumbo." - NARA - 293675.jpg ✓ Done
1110 "Traveler crane handling dump bucket at top of side-wall forms in diversion tunnel No. 2. Concrete is dumped from... - NARA - 293676.jpg ✓ Done
1111 "Cleaning invert excavation ahead of tunnel lining operations in diversion tunnel No. 2. Spoil is loaded by shovel... - NARA - 293677.jpg ✓ Done
1112 "Type of highway marker erected by the Automobile Club of Southern California throughout Boulder City and the Boulder... - NARA - 293678.jpg ✓ Done
1113 "Looking northeast into Nevada Highway, Boulder City, through the arcade of the Boulder City Stores." - NARA - 293679.jpg ✓ Done
1114 "Looking southwest into Nevada highway, Boulder City, thru arcade of the terminal bldg." - NARA - 293680.jpg ✓ Done
1115 "Residence of Chief Clerk Earle R. Mills, Bureau of Reclamation, Boulder City, Nev., showing development of lawn and... - NARA - 293681.jpg ✓ Done
1116 "Exchange cabinet installation of the government automatic telephone system in basement of Administration Bldg.... - NARA - 293682.jpg ✓ Done
1117 "Detail view of exchange cabinet of government private automatic telephone system in basement of Administration... - NARA - 293683.jpg ✓ Done
1118 "Fire house ^amp, equipment in federal garage, Boulder City." - NARA - 293684.jpg ✓ Done
1119 "Official car storage in federal garage, Boulder City." - NARA - 293685.jpg ✓ Done
1120 "View in lobby of Administration Building, Boulder City." - NARA - 293686.jpg ✓ Done
1121 "Construction Engineer, Walker R. Young, Bureau of Reclamation, Boulder Canyon Project, in his office in the... - NARA - 293687.jpg ✓ Done
1122 Concrete gun carriage used in placing 110 degree top-arch concrete in diversion tunnels - NARA - 293688.jpg
1123 Concrete gun carriage used in placing 110 degree top-arch concrete in diversion tunnels - NARA - 293689.jpg
1124 "Steel frame carriage supporting form for 110 degree top-arch concrete in diversion tunnel lining. Note jacks and... - NARA - 293690.jpg ✓ Done
1125 "Top-arch form in position under portal of diversion tunnel No. 2. Forms of trashrack structure abutment are seen." - NARA - 293691.jpg ✓ Done
1126 "Completed concrete tunnel lining near inlet portal of diversion tunnel No. 4. Coating of moisture reserving paint is... - NARA - 293692.jpg ✓ Done
1127 "Side-wall concrete in place in diversion tunnel No. 2." - NARA - 293693.jpg ✓ Done
1128 "Pouring invert concrete in diversion tunnel No. 3. See also previous photographs for more detailed description of... - NARA - 293694.jpg ✓ Done
1129 "Excavation and forms for tunnel plug lining in diversion tunnel No. 4. The concrete face of the upstream 6' offset... - NARA - 293695.jpg ✓ Done
1130 "Excavation and forms for tunnel plug in diversion tunnel No. 4." - NARA - 293696.jpg ✓ Done
1131 "Side-wall concrete forms in place in diversion tunnel No. 4. See previous photographs for more complete description... - NARA - 293697.jpg ✓ Done
1132 "Pouring side wall concrete in diversion tunnel No. 4. In this instance two forms are in use with alternate... - NARA - 293698.jpg ✓ Done
1133 "Cleaning rock floor preparatory to pouring invert concrete in diversion tunnel No. 4. Tractor bulldozer in... - NARA - 293699.jpg ✓ Done
1134 "Panorama of Boulder City, Nevada from Water Tank Hill showing construction progress to date." - NARA - 293700.jpg ✓ Done
1135 "Panorama of Boulder City, Nevada from Water Tank Hill showing construction progress to date." - NARA - 293701.jpg ✓ Done
1136 "Panorama of Boulder City, Nevada from Water Tank Hill showing construction progress to date." - NARA - 293702.jpg ✓ Done
1137 "Panorama of Boulder City, Nevada from Water Tank Hill showing construction progress to date." - NARA - 293703.jpg ✓ Done
1138 "Panorama of Boulder City, Nevada from Water Tank Hill showing construction progress to date." - NARA - 293704.jpg ✓ Done
1139 "Boulder City Municipal American Legion Band, Director Otto J. Littler, U.S.B.R., standing sixth from left, back row." - NARA - 293705.jpg ✓ Done
1140 "Major units of Boulder City Water Supply. View from West showing 2,000,000 gal. storage tank on hill, 100,000... - NARA - 293706.jpg ✓ Done
1141 "View of Administration Building area, Boulder City, showing development of landscaping." - NARA - 293707.jpg ✓ Done
1142 "Lookout Point on rim of Black Canyon on Nevada side. Top of point will be removed to provide for movable tower... - NARA - 293708.jpg ✓ Done
1143 "Blasting operations below Lookout Point for Black Canyon Highway." - NARA - 293709.jpg ✓ Done
1144 "Arizona intake towers location as seen from point on Nevada side upstream from Nevada spillway location.... - NARA - 293710.jpg ✓ Done
1145 "High-scalers at work above inlet portal of Diversion Tunnel No. 1. Offset at right marks the upper reaches of the... - NARA - 293711.jpg ✓ Done
1146 "Laboratory established in the Municipal Building, Boulder City, for purpose of investigating the effects of high... - NARA - 293712.jpg ✓ Done
1147 "Looking downstream into the excavation for the Arizona spillway. High fill at left is runway for Six Companies'... - NARA - 293713.jpg ✓ Done
1148 "High-scalers at work on the Arizona intake towers location some 550' above the level of the Colorado River. The... - NARA - 293714.jpg ✓ Done
1149 "Residence of Construction Engineer, Walker R. Young, Bureau of Reclamation, Boulder City, Nevada." - NARA - 293715.jpg ✓ Done
1150 "School building under construction by the Federal Government at Boulder City, Nevada." - NARA - 293716.jpg ✓ Done
1151 "Moving picture theater operated under permit at Boulder City, Nevada." - NARA - 293717.jpg ✓ Done
1152 "The blast which removed the top of Lookout Point to provide location for cableway runway. Black Canyon Highway... - NARA - 293718.jpg ✓ Done
1153 "Blasting operations at Lookout Point on the Nevada rim of Black Canyon. The point which was used for over a year as... - NARA - 293719.jpg ✓ Done
1154 "Looking upstream into Black Canyon toward Hoover Damsite from point on Six Companies Construction road on Nevada side." - NARA - 293720.jpg ✓ Done
1155 "High-scalers at work in location for Arizona intake towers." - NARA - 293721.jpg ✓ Done
1156 "Temporary 34 room dormitory under construction by the Bureau of Reclamation, Boulder City, view from northwest... - NARA - 293722.jpg ✓ Done
1157 "School building under construction by the Federal Government, Boulder City. View from southeast." - NARA - 293723.jpg ✓ Done
1158 "Government Administration Building and grounds as seen from the roof of the school building, Boulder City. View... - NARA - 293724.jpg ✓ Done
1159 "View at outlet portals of Nevada diversion tunnels during flash flood of August 31, 1932. The lower reaches of all... - NARA - 293725.jpg ✓ Done
1160 "Scene at outlet portal of diversion tunnel No. 2 during flash flood of August 31, 1932. Workmen are installing high... - NARA - 293726.jpg ✓ Done
1161 "Water breaking through earth and rock fill dike at outlet portal of diversion tunnel No. 2 during flash flood of... - NARA - 293727.jpg ✓ Done
1162 "Secretary of the Interior Ray Lyman Wilbur photographed in front of outlet portal of tunnel No. 2 during his tour of... - NARA - 293728.jpg ✓ Done
1163 "Inspection party accompanying the Secretary of the Interior photographed in Black Canyon." - NARA - 293729.jpg ✓ Done
1164 "Inspection party accompanying the Secretary of the Interior photographed in Black Canyon." - NARA - 293730.jpg ✓ Done
1165 "School children in the grades of the Boulder City Public School photographed in front of school building which was... - NARA - 293731.jpg ✓ Done
1166 "Teaching staff of the Boulder City Grade School." - NARA - 293732.jpg ✓ Done
1167 "Fourth grade, Boulder City, Nevada, public school." - NARA - 293733.jpg ✓ Done
1168 "Sixth grade, Boulder City, Nevada, public school." - NARA - 293734.jpg ✓ Done
1169 View looking into Black Canyon from rim of the Arizona wall showing operations in the early stages of the upper... - NARA - 293735.jpg
1170 "Preliminary cofferdam construction. River is diverted through Arizona side of channel by temporary cofferdams the... - NARA - 293736.jpg ✓ Done
1171 "Looking downstream through Diversion Tunnel No. 2 showing completed concrete pour. Upper portion is painted with... - NARA - 293737.jpg ✓ Done
1172 "Sidewall tunnel forms being utilized in forming bulkhead gate structure at inlet portal of Diversion Tunnel No. 1." - NARA - 293738.jpg ✓ Done
1173 "Bulkhead gate structure and trash rack structure at inlet portals of diversion Tunnel Nos. 4 and 3 as seen from the... - NARA - 293739.jpg ✓ Done
1174 "Looking downstream into excavation for Arizona spillway." - NARA - 293740.jpg ✓ Done
1175 "Looking into Arizona spillway basin from high cableway runway on Nevada side. Note cableway runway at Elevation 1360... - NARA - 293741.jpg ✓ Done
1176 "Cableway runway at Elev. 1360 above Arizona spillway as seen from hill above spillway basin." - NARA - 293742.jpg ✓ Done
1177 "Excavation for Arizona intake towers as seen from point upstream on Nevada side. A close inspection of photo will... - NARA - 293743.jpg ✓ Done
1178 "Looking downstream into excavation for Nevada spillway. Cableway runway location is marked by excavation and forms... - NARA - 293744.jpg ✓ Done
1179 "Indians employed on the construction of Hoover Dam as high-scalers. This group includes one Yaqui, one Crow, one... - NARA - 293745.jpg ✓ Done
1180 "Apache Indians employed as high-scalers on the construction of Hoover Dam." - NARA - 293746.jpg ✓ Done
1181 "Negroes employed as drillers on the construction of Hoover Dam." - NARA - 293747.jpg ✓ Done
1182 "Blasting operations in Arizona and Nevada intake tower locations." - NARA - 293748.jpg ✓ Done
1183 "Looking down into upper Cofferdam excavation from rim of Black Canyon on Arizona side. Canyon wall in foreground... - NARA - 293749.jpg ✓ Done
1184 "Looking downstream into upper cofferdam excavation. Dike and constricted river channel at left." - NARA - 293750.jpg ✓ Done
1185 Belle Fourche Project - Dam, Upstream Face - placing the paving - South Dakota - NARA - 294654.tif ✓ Done
1186 Belle Fourche Project - Dam, Upstream Face - placing the paving - South Dakota - NARA - 294654.jpg ✓ Done
1187 Milk River Project - St. Mary's - Work on road to Sherburne Reservation - Indians - Montana - NARA - 294655.tif ✓ Done
1188 Milk River Project - St. Mary's - Work on road to Sherburne Reservation - Indians - Montana - NARA - 294655.jpg ✓ Done
1189 North Platte Project - Whalen Diversion Dam - North Dakota - NARA - 294656.tif ✓ Done
1190 North Platte Project - Whalen Diversion Dam - North Dakota - NARA - 294656.jpg ✓ Done
1191 North Platte Project - Pathfinder Dam - North Dakota - NARA - 294657.tif ✓ Done
1192 North Platte Project - Pathfinder Dam - North Dakota - NARA - 294657.jpg ✓ Done
1193 North Platte Project - Pathfinder Dam - Lower Face - Discharge 6,500 feet per second. - NARA - 294658.tif ✓ Done
1194 North Platte Project - Pathfinder Dam - Lower Face - Discharge 6,500 feet per second. - NARA - 294658.jpg ✓ Done
1195 Okanogan Project - Salmon River Weir Structure - Washington - NARA - 294659.tif
1196 Okanogan Project - Salmon River Weir Structure - Washington - NARA - 294659.jpg
1197 Okanogan Project - Conconully Dam - Washington - NARA - 294660.tif ✓ Done
1198 Okanogan Project - Conconully Dam - Washington - NARA - 294660.jpg ✓ Done
1199 Okanogan Project - Conconully Dam - Showing dam, spillway and reservoir - Washington - NARA - 294661.tif ✓ Done
1200 Okanogan Project - Conconully Dam - Showing dam, spillway and reservoir - Washington - NARA - 294661.jpg ✓ Done
1201 Okanogan Project - Conconully Dam - Separating screen - Washington - NARA - 294662.tif ✓ Done
1202 Okanogan Project - Conconully Dam - Separating screen - Washington - NARA - 294662.jpg ✓ Done
1203 Okanogan Project - Conconully Dam Site - Washington - NARA - 294663.tif ✓ Done
1204 Okanogan Project - Conconully Dam Site - Washington - NARA - 294663.jpg ✓ Done
1205 Okanogan Project - Conconully Dam Site - Hydraulic Trestles - Washington - NARA - 294664.tif ✓ Done
1206 Okanogan Project - Conconully Dam Site - Hydraulic Trestles - Washington - NARA - 294664.jpg ✓ Done
1207 Okanogan Project - Conconully Dam - Washington - NARA - 294665.tif ✓ Done
1208 Okanogan Project - Conconully Dam - Washington - NARA - 294665.jpg ✓ Done
1209 Okanogan Project - Conconully Dam - Washington - NARA - 294666.tif ✓ Done
1210 Okanogan Project - Conconully Dam - Washington - NARA - 294666.jpg ✓ Done
1211 Okanogan Project - Conconully Dam - Constructing Trestles - Washington - NARA - 294667.tif ✓ Done
1212 Okanogan Project - Conconully Dam - Constructing Trestles - Washington - NARA - 294667.jpg ✓ Done
1213 Okanogan Project - Conconully Dam - Washington - NARA - 294668.tif ✓ Done
1214 Okanogan Project - Conconully Dam - Washington - NARA - 294668.jpg ✓ Done
1215 Okanogan Project - Conconully Dam Site - Washington - NARA - 294669.tif ✓ Done
1216 Okanogan Project - Conconully Dam Site - Washington - NARA - 294669.jpg ✓ Done
1217 Okanogan Project - Conconully Dam - Borrow Pit EET - Washington - NARA - 294670.tif ✓ Done
1218 Okanogan Project - Conconully Dam - Borrow Pit EET - Washington - NARA - 294670.jpg ✓ Done
1219 Boise Project - Arrowrock Dam Site - Idaho-Oregon - NARA - 294671.tif ✓ Done
1220 Boise Project - Arrowrock Dam Site - Idaho-Oregon - NARA - 294671.jpg ✓ Done
1221 Boise Project - Arrowrock Dam - Idaho-Oregon - NARA - 294672.tif ✓ Done
1222 Boise Project - Arrowrock Dam - Idaho-Oregon - NARA - 294672.jpg ✓ Done
1223 Boise Project - Boise Power Plant - Completed - Idaho-Oregon - NARA - 294673.tif ✓ Done
1224 Boise Project - Boise Power Plant - Completed - Idaho-Oregon - NARA - 294673.jpg ✓ Done
1225 Boise Project - Arrowrock Dam - Concrete Distributing System - Idaho-Oregon - NARA - 294674.tif ✓ Done
1226 Boise Project - Arrowrock Dam - Concrete Distributing System - Idaho-Oregon - NARA - 294674.jpg ✓ Done
1227 Minidoka Project - Power Pumping Station - Idaho-Wyoming - NARA - 294675.tif ✓ Done
1228 Minidoka Project - Power Pumping Station - Idaho-Wyoming - NARA - 294675.jpg ✓ Done
1229 Minidoka Project - Power Subpower Station - Idaho-Wyoming - NARA - 294676.tif ✓ Done
1230 Minidoka Project - Power Subpower Station - Idaho-Wyoming - NARA - 294676.jpg ✓ Done
1231 Minidoka Project - Minidoka Dam and Power House - Idaho-Wyoming - NARA - 294677.tif ✓ Done
1232 Minidoka Project - Minidoka Dam and Power House - Idaho-Wyoming - NARA - 294677.jpg ✓ Done
1233 Minidoka Project - Minidoka Dam - Idaho-Wyoming - NARA - 294678.tif ✓ Done
1234 Minidoka Project - Minidoka Dam - Idaho-Wyoming - NARA - 294678.jpg ✓ Done
1235 Minidoka Project - Minidoka Dam, Spillway and Power House - Idaho-Wyoming - NARA - 294679.tif ✓ Done
1236 Minidoka Project - Minidoka Dam, Spillway and Power House - Idaho-Wyoming - NARA - 294679.jpg ✓ Done
1237 Color slide of Reclamation Record, 1902-1954, depicting record by color of dollar investiment in 17 Western States. - NARA - 294680.tif
1238 Color slide of