Black and white image of Hoover Dam as seen from the control tower of the 150-ton cableway on the Nevada rim of Black Canyon. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image of Hoover Dam under construction in Black Canyon. Arizona and Nevada can be seen on either side of the dam in this picture. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image of an aerial view looking upstream through the Nevada spillway. At the left are two panels of the overflow weir under construction. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image of Hoover Dam construction. A cat-walk is visible, spanning the canyon over the upstream cofferdam. The span is approximately between triangulation points C-7 and C-8. Elevation at the middle of the span is approximately 1,005 feet. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image of Lake Mead, including boat docks and a bathing beach developed by the National Park Service for recreational use, such as swimming and picnicking.
Black and white image of the spillway on the Nevada side of Hoover Dam. This view shows the spillway running at peak capacity of 13, 944 cubic feet per second and 4.5 feet above spillways gates.
Black and white image of Hoover Dam at night. Seventy-eight floodlights on top of the central section of the power plant project 93,500 watts on the face of the dam.