Black and white image of Hoover Dam construction, including work on the dam forms and intake towers. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
An image of unidentified guests sitting and listening to speeches at Boulder Dam's decennial event. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
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.