Day shift construction workers for Boulder Dam, now called Hoover Dam, entering transports at the upper portals for their return journey to Boulder City ten miles away. Site Name: Hoover Dam (dam)
An image of expelled water creating a mist over the Colorado River on the downstream side of Hoover Dam in Black Canyon. 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.