An image of two unidentified men shaking hands during the decennial ceremony in an auditorium at Boulder Dam. Note: 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.
A view of intake towers from the Arizona side of Hoover Dam. Caption at bottom right of image reads: "BoulderDam from Arizona side, Kingman Highway in foreground." Boulder Dam was officially re-named Hoover Dam in 1947.