Black and white image of Hoover Dam construction, including work on the dam forms and intake towers. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image showing Hoover Dam's downstream face during the concrete pouring process. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image of equipment being lowered into Hoover Dam. People are watching from the lookout point on the Nevada side of the dam. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image of Hoover Dam's downstream side. Fortification Hill is visible in the background. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image of a man looking at Hoover Dam's downstream face and the outlet works in the walls of Black Canyon. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white montage of a person sitting in a small boat near Hoover Dam's upstream side. The lake and canyon portion of the image look to be from a photograph, but the dam seems to be a drawing. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white montage of a person sitting in a small boat near Hoover Dam's upstream side. The lake and canyon portion of the image look to be from a photograph, but the dam seems to be a drawing. 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.