A grayscale view of Boulder City, Nevada; Boulder Dam Hotel and a building sign advertising "free Boulder Dam motion pictures" can be seen in the background.
An image of the downstream face of Hoover Dam including the powerhouse and one of the diversion tunnel portals. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image showing an upstream view of Black Canyon from the Hoover Dam construction site. In the distance, Fortification Hill can be seen along with tunnel lining forms near the inlet portals of the Nevada diversion tunnels. Note: Boulder Dam was officially renamed Hoover Dam in 1947.