An image of a burro and a man standing on rocks near Hoover Dam. The dam's intake towers are visible in the background. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
An image of a burro and a man standing on rocks near Hoover Dam. The dam's intake towers are visible in the background. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Color image of Hoover Dam looking upstream and showing the white water of the Colorado River below the spillway tunnel outlets. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Construction site of the Boulder Dam, now known as Hoover Dam. Marion electric drag line with 5 cubic yard capacity bucket loading gravel. Site Name: Hoover Dam (dam)
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)