The construction of the Hoover Dam. Concrete forms slabs to build the dam's structure, visible below the downstream face of the dam, while intake towers rise behind the dam.
From the Morgan Sweeney Photograph Collection (PH-00228). Hoover Dam Powerplant where it was the proposed location of states switchyard before commencement of construction on October 2, 1950.
An image of Rotary Club members having lunch at Boulder Dam while an unidentified man stands up to give a speech. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
First 40 foot slab of concrete poured in lining diversion tunnels for the construction of the Boulder Dam, now called Hoover Dam. Site Name: Hoover Dam (dam)