An image of the upstream face of Boulder Dam. Freshly built, the dam had low water levels as it continued to be filled with water. Boulder Dam was officially renamed Hoover Dam in 1947.
The view of a penstock tunnel located within the interior of Boulder Dam. Visitors of the dam stand above a bridge overlooking the tunnel. Boulder Dam was officially renamed Hoover Dam in 1947.
Construction site for Boulder Dam, now called Hoover Dam. With the approach of the annual spring rise in the river, the temporary truck bridge shown on the right has been abandoned. Site Name: Hoover Dam (dam)