An image showing a bird's eye view of cars driving on the crest of Hoover Dam. The text on the lower left corner of the image reads: Boulder Dam. Boulder Dam was officially renamed Hoover Dam in 1947.
An image showing a street view of the visitors' elevator tower and Hoover Dam's crest. Caption on right side of image reads: Visitors elevator tower and crest of Boulder Dam. Boulder Dam was officially re-named Hoover Dam in 1947.