A grayscale image showing the downstream face of Hoover Dam and cars parked at a lookout point. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image showing Hoover Dam's downstream face during the concrete pouring process. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
An image of Rotary Club members listening to speeches during a luncheon at the Nevada viewpoint at Boulder Dam. Note: Boulder Dam was officially renamed Hoover Dam in 1947.