Black and white image with the following printed description: "View showing extension work on Nevada Spillway Tunnel #2 at Hoover Dam. Work performed by Guy F. Atkinson Company of San Francisco, California." Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image of a celebration at the Hoover Dam powerhouse. The Young Presidents' Organization arranged a party for nearly 1,000 people that was held on the roof of the powerhouse. The visitors, the first to use this setting, would all be wearing hard hats. Tables, chairs, barbeque pits, a bandstand, and dance floor are visible.
Black and white image of a celebration at the Hoover Dam powerhouse. The Young Presidents' Organization arranged a party for nearly 1,000 people that was held on the roof of the powerhouse. The visitors, the first to use this setting, would all be wearing hard hats. Tables, chairs, barbeque pits, a bandstand, and dance floor are visible.