A comparison of an image of Hoover Dam's upstream face in February 1935 to an image taken later that year, after the waters of Lake Mead had risen. The captions read "February 1935- Boulder Dam today." Boulder Dam was officially re-named Hoover Dam in 1947.
An image showing a bird's eye view of Hoover Dam and vehicles on its crest from the Nevada side. The name was officially changed from Boulder Dam to Hoover Dam in 1947.
An image showing a bird's eye view of Hoover Dam and vehicles on its crest from the Nevada side. The name was officially changed from Boulder Dam to Hoover Dam in 1947.