Men go back to working on their tasks during the construction of the Hoover Dam. The large steel object behind them could possibly be a large train engine, evident by the tracks on the concrete floor.
An image of Boulder Dam with open jet flow gates (outlet works) and a boxcar being lowered into the canyon. The name was officially changed to Hoover Dam in 1947.
The Mike O’Callaghan-Pat Tillman Memorial Bridge and the Hoover Dam series depict the construction of the Mike O’Callaghan-Pat Tillman Memorial Bridge from 2009 to 2012. The photographs primarily depict workers building the bridge, including photographs of ironworkers, the arch, the temporary pylons, the arch keystone, and the piers. The photographs also depict aerial views of the bridge, the Hoover (Boulder) Dam, the Colorado River, Black Canyon, and the surrounding area.
Materials depict the construction of Boulder City, Nevada and the Hoover (Boulder) Dam from 1930 to 1935. The photographs primarily depict construction of the master planned community of Boulder City, which was built to house workers during the construction of the dam. The photographs also depict construction of the dam, surveyors working in Black Canyon and on the Colorado River, and buildings in Boulder City. The photographs also depict Williamsville, the small settlement that preceded Boulder City.
An image showing an aerial view of Hoover Dam's reservoir, Lake Mead. Parts of the plane from which the image was taken are visible. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
This series of photographs documents the historic water overflow at Hoover Dam as seen from the Arizona side of the dam. Taken in August of 1983, this overflow marked the first time the spillways were used during a flood. After initially being filled, the spillways were tested once in August of 1941.