File:SAND-SORTING BUILDING, VIEW OF SOUTH FACADE OF UPPER FOUR LEVELS OF ROOF (TAKEN FROM WALKWAY TO EXTERIOR ELEVATOR), LOOKING NORTH - Mill "C" Complex, Sand-Sorting Building, HAER ILL, 50-OTWA. V, 1A-6.tif

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Summary[edit]

Title SAND-SORTING BUILDING, VIEW OF SOUTH FACADE OF UPPER FOUR LEVELS OF ROOF (TAKEN FROM WALKWAY TO EXTERIOR ELEVATOR), LOOKING NORTH - Mill "C" Complex, Sand-Sorting Building, South of Dee Bennet Road, near Illinois River, Ottawa, La Salle County, IL
Description Madrid, transmitter
Depicted place Illinois; La Salle County; Ottawa
Date Documentation compiled after 1968
Dimensions 4 x 5 in.
Library of Congress Prints and Photographs Division Washington, D.C. 20540 USA http://hdl.loc.gov/loc.pnp/pp.print
Accession number HAER ILL, 50-OTWA. V, 1A-6
Credit line
Historic American Buildings Survey (HABS) Team.jpg 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 for more information.

Notes
  • Significance: The St. Peter sandstone anticline forms the bluffs and lies beneath the terraces of the Illinois River Valley west of Ottawa, Illinois. The anticline, and 100-200' thick, horizontal layer of loosely bonded sandstone covered by a thin layer of overburden, furnishes the raw material for silica sand processing. The anticline's thick seam, ease of extraction, exceptional purity, and uniformly high silica content make it an excellent source of sand for glass making, foundry molding, and sand blasting...
  • Survey number: HAER IL-24-A
Source https://www.loc.gov/pictures/item/il0718.photos.034818p
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.
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current09:10, 17 July 2014Thumbnail for version as of 09:10, 17 July 20145,000 × 4,035 (19.24 MB) (talk | contribs)GWToolset: Creating mediafile for Fæ. HABS 16 July 2014 (1201:1400)
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