An image of the Boulder Dam. The name was officially changed to Hoover Dam in 1947. Text from postcard: "Upstream face of Boulder Dam. Note roadway which connects Kingman, Arizona, and Boulder City, Nevada. Six Companies Inc. Photo."
An image of Hoover Dam's upstream side. Text from image reads: "Looking Upstream from Boulder Dam, Showing Lower Lake Mead and Highway from Kingman, Arizona [copyright] BDSB." Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Color image showing an artist's rendering of the Arizona Spillway and Highway Bridge at Hoover Dam. Note: Boulder Dam was officially renamed Hoover Dam in 1947.