Black and white image of several men, including Frank Crowe, Superintendent of Construction, at the Hoover Dam construction site. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image of two men standing in front of penstock tunnel piping at the site of Hoover Dam construction. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image of the construction phase of Hoover Dam. The metal framework seen at the base of the dam will later become the dam's powerhouse. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image of the construction phase of Hoover Dam. The metal framework seen at the base of the dam will later become the dam's powerhouse. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Gantry Crane transporting 4 cubic yard Rex motor mixers in pouring tunnel lining during the construction of Boulder Dam, now called Hoover Dam. Site Name: Hoover Dam (dam)
Boulder Dam (now called Hoover Dam) construction. Trucks hauling 2-cubic-yard buckets, bringing concrete from the mixing plant for invert lining. Site Name: Hoover Dam (dam)
From the UNLV Libraries Single Item Accession Photograph Collection (PH-00171). Inscription on image reads, "Powerhouse and downstream face of Boulder Dam. U.S. Bureau of Reclamation photo."
An image of unidentified men in a boat on Lake Mead during the Boulder Dam decennial event. Note: Boulder Dam was officially renamed Hoover Dam in 1947.