The Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada depict the construction of the Hoover (Boulder) Dam and the development of Boulder City, Nevada from 1869 to 1974, with a bulk of the materials dating from 1929 to 1940. The photographs primarily depict the construction operations in Black Canyon, including digging tunnels, pouring concrete, building the power plant, and inspections by Bureau of Reclamation engineers. The photographs also depict Boulder City, including schools, workers, and dormitories. The collection also includes photographs of St. Thomas, Nevada, Lake Mead, Nelson’s Landing, Nevada, and an archaeological excavation near Lake Mohave, Nevada.
Caption at bottom of image reads: "Trucking mamoth (sic) concrete buckets in the 50 ft. dia. tunnels, Boulder Dam." Boulder Dam was officially re-named Hoover Dam in 1947.
An image of Rotary Club members having lunch at Boulder Dam while an unidentified man stands up to give a speech. Note: Boulder Dam was officially renamed Hoover Dam in 1947.