An image of the downstream face of Hoover Dam in Black Canyon, showing the power plant, outlet works and diversion tunnel portals in the foreground. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
An image of the downstream face of Hoover Dam in Black Canyon, showing the power plant, outlet works and diversion tunnel portals in the foreground. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
An image of the downstream face of Hoover Dam in Black Canyon, showing the power plant, outlet works and diversion tunnel portals in the foreground. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white aerial view of Black Canyon at Hoover Dam construction site. There are four visible bridges going over the Colorado River. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
An image of the downstream face of Hoover Dam in Black Canyon. Automobiles are visible in an observation area, and some of the electric transmission towers are visible in the foreground. Note: Boulder Dam was officially renamed Hoover Dam in 1947.