Black and white image of Dick Woodward (left) and Ellis L. Armstrong at a party held by the Young Presidents' Organization on the roof of the powerhouse at Hoover Dam. Nearly 1,000 people attended, all wearing hard hats, and were the first to use this setting.
Black and white image of the construction phase of Hoover Dam. The metal framework seen at the base of the dam will later become the dam's powerhouse. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image of the construction phase of Hoover Dam. The metal framework seen at the base of the dam will later become the dam's powerhouse. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image of the construction phase of Hoover Dam. The metal framework seen at the base of the dam will later become the dam's powerhouse. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image of the completed Hoover Dam with water seen spilling through the Arizona penstock outlets. Note: Boulder Dam was officially renamed Hoover Dam in 1947.