Black and white image of John Chatfield Page, Senator Harold L. Ickes, Mrs. Ickes, and I. C. Harris, in the Nevada wing of the Hoover Dam power plant. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
An image of the Hoover Dam intake towers. Electric transmission towers in Black Canyon are visible in the background. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
An image of the downstream face of Hoover Dam in Black Canyon, showing diversion tunnel portals in the foreground. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white aerial view looking down Black Canyon at the Hoover Dam construction site. Note: Boulder Dam was officially renamed Hoover Dam in 1947.