An image of the illuminated downstream face of Hoover Dam at dusk, including the power plant and electric transmission towers. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
An image from one of the Hoover Dam spillways of the dam face, intake towers and electric transmission towers in Black Canyon. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
An image of hydroelectric generators inside the powerhouse at Hoover Dam. A man standing next to one of the generators shows their scale. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
An image showing an aerial view of people looking at one of the Hoover Dam spillways. Automobiles travel over a concrete bridge. Note: Boulder Dam was officially renamed Hoover Dam in 1947.