The filling of the Hoover Dam after the completion of construction. This photograph was taken when it was called the Boulder Dam. It was officially renamed the Hoover Dam in 1947. Written on the top of the photo: "BDRA. NEV. 4.36 343." Site Name: Hoover Dam (dam)
Illustration of Boulder Dam, later called Hoover Dam, construction. Caption reads: "A close-up, showing construction detail, Boulder Dam, Colorado River."
A colored postcard showing an artist's representation of a small boat sailing on the upstream face of Hoover Dam, previously known as Boulder Dam, in Black Canyon. Transcribed onto the top border of the image: "Upstream Face And Intake Towers, Boulder Dam."