Black and white image of Hoover Dam visitors standing near freight car tracks, which were used to lower generators and related equipment to the power house. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image of a boat on Lake Mead. Hoover Dam's upstream face and intake towers are visible in the background. 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 Nevada upstream side. 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 Nevada upstream side. 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 Nevada upstream side. Note: Boulder Dam was officially renamed Hoover Dam in 1947.