File:DOWNSTREAM SIDE OF DAM LOOKING SOUTHEAST PRIOR TO BREACH - Two Mile Reservoir, Santa Fe River, intersection of Canyon and Cerro Gordo Roads, Santa Fe, Santa Fe County, NM HAER NM,25-SANFE,11-1.tif

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DOWNSTREAM SIDE OF DAM LOOKING SOUTHEAST PRIOR TO BREACH - Two Mile Reservoir, Santa Fe River, intersection of Canyon and Cerro Gordo Roads, Santa Fe, Santa Fe County, NM
Photographer

Related names:

Christianson, Justine, transmitter
Title
DOWNSTREAM SIDE OF DAM LOOKING SOUTHEAST PRIOR TO BREACH - Two Mile Reservoir, Santa Fe River, intersection of Canyon and Cerro Gordo Roads, Santa Fe, Santa Fe County, NM
Depicted place New Mexico; Santa Fe County; Santa Fe
Date Documentation compiled after 1968
Dimensions 4 x 5 in.
Current location
Library of Congress Prints and Photographs Division Washington, D.C. 20540 USA http://hdl.loc.gov/loc.pnp/pp.print
Accession number
HAER NM,25-SANFE,11-1
Credit line
This file comes from the Historic American Buildings Survey (HABS), Historic American Engineering Record (HAER) or Historic American Landscapes Survey (HALS). These are programs of the National Park Service established for the purpose of documenting historic places. Records consist of measured drawings, archival photographs, and written reports.

This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.

Notes
  • Documentation produced as part of the Southwestern Water Resources Project.
  • Significance: Two Mile Dam, constructed in Santa Fe, New Mexico in 1893, embodies the distinct characteristics of a tamped earth dam, through its design and construction techniques. These methods began in the 18th century and with some modifications are still being used today. The dam was designed to reduce interior hydrostatic pressure and was constructed using goats to puddle the earth. The engineered design incorporated methods, including seepage collars and variation of material, to reduce the amount of water inside the structure. Concrete seepage collars stop water from traveling along the tunnel underneath the dam (Drawing 2/1). Earthen material was varied to slow the movement of water through the dam. The upstream portion of the dam was constructed using small particle fill, such as silt and clay, and was packed to achieve high density and the downstream portion of the dam was constructed using larger fill, consisting of sand and gravel (Drawing 2/1). Earthen dams have a line of saturation that should exist in relative equilibrium (Drawing 5/6). Varying the material to create a relatively impervious upstream slope and a pervious downstream slope aids in protecting the dam from failure through saturation. Two Mile Dam is one of the largest embankment dams in New Mexico, was the largest dam constructed at the time, and was used for both irrigation and potable water supply. Montezuma Dam, an earthen dam near Las Vegas, New Mexico, constructed after Two Mile, was approximately 20-25 ft (6-7 m) high and retained water for ice skating and ice supply. The construction of Two Mile Reservoir was a large undertaking which created substantial water supply for the City of Santa Fe, gained national attention, and was a catalyst for the urbanization of Santa Fe.
  • Unprocessed Field note material exists for this structure: N673
  • Unprocessed Field note material exists for this structure: N1295
  • Survey number: HAER NM-5
  • Building/structure dates: 1893 Initial Construction
  • Building/structure dates: 1972 Subsequent Work
  • Building/structure dates: 1994 Demolished
Source https://www.loc.gov/pictures/item/nm0189.photos.348070p
Permission
(Reusing this file)
Public domain This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information.
Object location35° 41′ 12.98″ N, 105° 56′ 13.99″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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current23:39, 28 July 2014Thumbnail for version as of 23:39, 28 July 20145,000 × 4,013 (19.14 MB)Fæ (talk | contribs)GWToolset: Creating mediafile for Fæ. HABS 24 July 2014 (2301:2600)

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