View at Colorado River area near Hoover Dam site. Photographer W.A. Davis disagrees with the identification. He says, "Hills west (10 miles) of Las Vegas, Charleston range in background. Petroglyphs on the rocks, Rocks are red and yellow."
An image showing an aerial view of the downstream face of Hoover Dam. Note: Boulder Dam was officially renamed Hoover Dam in 1947. The photograph is damaged with long, white cuts on its right side.
An image of hydroelectric generators inside the powerhouse at Hoover Dam. A man standing next to one of the generators shows their scale. Note: Boulder Dam was officially renamed Hoover Dam in 1947.