Black and white aerial image of several high scalers at work at the Hoover Dam construction site, specifically in the location for the Arizona-side intake towers. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
An image of the upstream face of Boulder Dam. Freshly built, the dam had low water levels as it continued to be filled with water. Boulder Dam was officially renamed Hoover Dam in 1947.
The view of a penstock tunnel located within the interior of Boulder Dam. Visitors of the dam stand above a bridge overlooking the tunnel. Boulder Dam was officially renamed Hoover Dam in 1947.
Construction site for Boulder Dam, now called Hoover Dam. With the approach of the annual spring rise in the river, the temporary truck bridge shown on the right has been abandoned. Site Name: Hoover Dam (dam)
Color image showing an artist's rendering of the Arizona Spillway and Highway Bridge at Hoover Dam. Note: Boulder Dam was officially renamed Hoover Dam in 1947.