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| View Original: | Looking_upstream_toward_Boulder_dam_site_showing_outlet_portals_of_all_four_diversion_tunnels._Flow_of_Colorado..._-_NARA_-_293890.tiff (3000x2127) | |||
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| Keywords: Looking upstream toward Boulder dam site showing outlet portals of all four diversion tunnels. Flow of Colorado... - NARA - 293890.tiff Scope and content Photograph from Volume Two of a series of photo albums documenting the construction of Hoover Dam Boulder City Nevada General notes 293890 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 1933-06-20 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-BC21774 yes Other versions <gallery> File Looking upstream toward Boulder dam site showing outlet portals of all four diversion tunnels Flow of Colorado - NARA - 293890 tiff tif File Looking upstream toward Boulder dam site showing outlet portals of all four diversion tunnels Flow of Colorado - NARA - 293890 jpg jpg </gallery> NARA-cooperation PD-USGov NARA TIF images with categorized JPGs | ||||