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| View Original: | "Excavation_and_forms_for_tunnel_plug_lining_in_diversion_tunnel_No._4._The_concrete_face_of_the_upstream_6'_offset..._-_NARA_-_293695.tif (3000x2101) | |||
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| Keywords: "Excavation and forms for tunnel plug lining in diversion tunnel No. 4. The concrete face of the upstream 6' offset... - NARA - 293695.tif Scope and content Photograph from Volume Two of a series of photo albums documenting the construction of Hoover Dam Boulder City Nevada General notes 293695 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 1932-07-01 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-BC21312 yes Other versions <gallery> File Excavation_and_forms_for_tunnel_plug_lining_in_diversion_tunnel_No _4 _The_concrete_face_of_the_upstream_6'_offset _-_NARA_-_293695 tif tif File Excavation_and_forms_for_tunnel_plug_lining_in_diversion_tunnel_No _4 _The_concrete_face_of_the_upstream_6'_offset _-_NARA_-_293695 jpg jpg </gallery> NARA-cooperation PD-USGov NARA TIF images with categorized JPGs | ||||