Keywords: "Looking downstream through diversion tunnel No. 2 from point near inlet portal. Tracks over which gantry crane... - NARA - 293631.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 293631 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 1932-04-01 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-BC21126 Other versions <gallery> File Looking_downstream_through_diversion_tunnel_No _2_from_point_near_inlet_portal _Tracks_over_which_gantry_crane _-_NARA_-_293631 tif tif File Looking_downstream_through_diversion_tunnel_No _2_from_point_near_inlet_portal _Tracks_over_which_gantry_crane _-_NARA_-_293631 jpg jpg </gallery> NARA-cooperation PD-USGov Hoover Dam |