An image of visitors standing in the gallery leading from the elevator to the Hoover Dam powerhouse. Boulder Dam was officially renamed Hoover Dam in 1947.
A grayscale image showing the downstream face of Hoover Dam and cars parked at a lookout point. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
An image showing a bird's eye view of the Hoover Dam's downstream face and Fortification Hill. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image of Hoover Dam's downstream side. Fortification Hill is visible in the background. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
An image showing a bird's eye view of visitors peering over a lookout point at Hoover Dam. Boulder Dam was officially renamed Hoover Dam in 1947. Caption on bottom of image reads: "Lookout Point - Hoover Dam - 293 Oakes."