Pinhole view of the Hoover Dam area looking west. The U.S. Construction Railroad and the Black Canyon highway is depicted in the foreground of the photograph.
Water gushing at the Hoover Dam when it was called the Boulder Dam. In 1947 it was renamed the Hoover Dam. Written at the top of the photo: "BDRA. Nev. 4.36 342." Site Name: Hoover Dam (dam)