An image of unidentified men standing in the lookout well during the Boulder Dam decennial event. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Hoover Dam was originally called the Boulder Dam from 1933-1947, but was renamed the Hoover Dam by a joint resolution of Congress. Site Name: Hoover Dam (dam)
Illustration of the construction of Boulder Dam, later called Hoover Dam. Caption reads: "Boulder Dam and lower portals of diversion tunnels. Colorado River."