Black and white image of Hoover Dam's crest and a sailboat on Lake Mead, as seen from the Nevada upstream side of the dam. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
An image showing an aerial view of Hoover Dam and Lake Mead. Part of the plane from which the image was taken are visible. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image showing Hoover Dam's downstream face during the concrete pouring process. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
An image of an unidentified man standing on power generator equipment in the powerhouse at Hoover Dam. Boulder Dam was officially renamed Hoover Dam in 1947.