Hoover Dam guide "Blackie" Hardy posing on top of the Hoover Dam. In this photograph, Hardy is quoted with saying that he'd be proud to have this specific photo in every paper in the country. Individual Creator's credit goes to Jim Blackton Moore.
From the Morgan Sweeney Photograph Collection (PH-00228). Hoover Dam switchyard, circa 1950s. Stamp on the back reads, "Photograph by Bureau of Reclamation BCP 9187 Boulder Canyon Project Boulder City, Nevada."
Black and white aerial view of Black Canyon at Hoover Dam construction site. There are four visible bridges going over the Colorado River. Note: Boulder Dam was officially renamed Hoover Dam in 1947.