An image of power generators at Hoover Dam. Caption on image reads: "Interior of powerhouse at Boulder Dam, with six 115,000-H.P generators installed. Service Bureau photo." Boulder Dam was officially renamed Hoover Dam in 1947.
A colored postcard showing an artist's representation of the transportation of a pipe necessary for the construction of Boulder Dam, a title that was later changed to Hoover Dam. Transcribed onto the top border of the image: "Transporting Pipe, Boulder Dam."
A colored postcard showing an artist's representation of water flowing over the spillway gates from Lake Mead into Hoover Dam, previously known as Boulder Dam, in Black Canyon. Transcribed onto the top border of the image: "Lake Mead Flowing over Spillway Gates, Boulder Dam."
A colored postcard showing an artist's representation of Boulder Dam, later known as Hoover Dam, in Black Canyon, with Fortification Mountain lying in background. From this angle, intake towers can be seen sticking out of Lake Mead, along with the U-shaped power house at the base of the dam.
This is a photograph of Hoover Dam. Its crest and intake towers are visible in the photograph. Hoover Dam was named as such in 1947, but was previously named the Boulder Dam. "3." is written in the bottom left corner of the photo. Site Name: Hoover Dam (dam)