MAKE A MEME View Large Image Catwalk spanning canyon over upstream cofferdam. The span is swung approximately between Triangulation Points C-7... - NARA - 293946.jpg Scope and content Photograph from Volume Two of a series of photo albums documenting the construction ...
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Keywords: Catwalk spanning canyon over upstream cofferdam. The span is swung approximately between Triangulation Points C-7... - NARA - 293946.jpg Scope and content Photograph from Volume Two of a series of photo albums documenting the construction of Hoover Dam Boulder City Nevada General notes 293946 Local identifier Department of the Interior Bureau of Reclamation Engineering and Research Center 05/18/1981 - 03/04/1988 NARA's Rocky Mountain Region Denver NRGA Building 48 Denver Federal Center West 6th Avenue and Kipling Street Denver CO 80225-0307 1933-08-29 Record group Record Group 115 Records of the Bureau of Reclamation 1889 - 2008 Record group ARC 444 Photograph albums compiled 1903 - 1972 Series ARC 293611 File unit File unit ARC Variant control numbers NAIL Control Number NRG-115-CONSTPHO85006-BC21945 Other versions <gallery> File Catwalk spanning canyon over upstream cofferdam The span is swung approximately between Triangulation Points C-7 - NARA - 293946 tif tif </gallery> NARA-cooperation PD-USGov Suspension bridges in Arizona Hoover Dam high level Suspension bridges in Nevada Hoover Dam high level Bridges across canyons in Arizona Hoover Dam high level Bridges across canyons in Nevada Hoover Dam high level Bridges over the Colorado River Hooveer Dam high level 1933 in the United States Hoover Dam Construction of the Hoover Dam suspension bridge high level
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