An image showing a bird's eye view of visitors peering over a lookout point at Hoover Dam. Boulder Dam was officially renamed Hoover Dam in 1947. Caption on bottom of image reads: "Lookout Point - Hoover Dam - 293 Oakes."
Black and white image of the construction phase of the Boulder Canyon Project, also known as Hoover Dam. Excavation for the Hoover Dam construction substation by the Nevada-California Power Company is visible. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
An image of the memorial plaque after it was unveiled at Boulder Dam. Spectators of the event gathered beneath the plaque commemorating the 96 men who had died during the construction of the dam. Transcribed across the center of the plaque: "They died to make the desert bloom." Note: Boulder Dam was officially renamed Hoover Dam in 1947.
An image showing a view down a Hoover Dam tunnel during construction; an unidentified man is sitting on a truck on the far end. Note: Boulder Dam was officially renamed Hoover Dam in 1947.