An image of a Hoover Dam construction site, possibly at Basic Magnesium, Inc. in Henderson. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image of Hoover Dam's crest and intake towers, as seen from the Arizona side. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
From the Morgan Sweeney Photograph Collection (PH-00228). Hoover Powerplant showing reinforcing steel workers tying and placing steel rod. Carpenters installing forms preparatory to placing concrete August 31, 1951.