Boulder Dam was constructed in Black Canyon on the Colorado River between 1931 and 1936, and was dedicated on September 30, 1935. It was a project undertaken during the Great Depression. At its peak the Boulder Dam project employed around 5400 workers. The cost of the project was $50 million in 1931 dollars and cost 112 workers their lives. It utilized many innovations in engineering and architecture and was an overall success. In 1947 the dam was renamed Hoover Dam in honor of Herbert Hoover who was president in 1928 when congress authorized the project.
This collection of photographs is a tribute to the spirit of the people who designed and built this dam and the soaring grandeur they achieved.