An image of a row of power generators under construction at Hoover Dam. Several men are working on one of them. Boulder Dam was officially renamed Hoover Dam in 1947.
An interior view of Boulder Dam's powerhouse; an unidentified man stands in front of one of the newly completed power generators. Boulder Dam was officially renamed Hoover Dam in 1947.
Photograph of Hoover Power Plant's turbine generator unit during the construction of Hoover Dam, 1936. A General Electric sign can be seen in the photo.