Keywords: Looking into location of Six Companies, Inc., high level mixing plant. Aggregate bins in background. Forms for mixer... - NARA - 293791.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 293791 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 1933-01-25 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-BC21517 yes Other versions <gallery> File Looking into location of Six Companies Inc high level mixing plant Aggregate bins in background Forms for mixer - NARA - 293791 tiff tif File Looking into location of Six Companies Inc high level mixing plant Aggregate bins in background Forms for mixer - NARA - 293791 jpg jpg </gallery> NARA-cooperation PD-USGov NARA TIF images with categorized JPGs |