Caption at bottom of image reads: "Night view of Boulder Dam as the visitors see it from the Nevada lookout point." Boulder Dam was officially re-named Hoover Dam in 1947.
A black and white image of people standing by the Boulder Dam Pier sign, which is draped with rattlesnakes. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
An image of unidentified men near a boat on Lake Mead during the Boulder Dam decennial event. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
An image showing a bird's eye view of Hoover Dam's downstream face and its upstream side behind. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
An image showing aerial view of Hoover Dam. Parts of the plane from which the image was taken are visible. Note: Boulder Dam was officially renamed Hoover Dam in 1947.