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.
Workmen at the construction of Boulder Dam, now called Hoover Dam. Trimming jumbo used in scaling walls of diversion tunnels and removing projecting rock. Site Name: Hoover Dam (dam)
An image of the downstream face of Hoover Dam in Black Canyon. The dam's power plant, outlet works and diversion tunnel portals are visible in the foreground. Note: Boulder Dam was officially renamed Hoover Dam in 1947.