An image of Boulder Dam with open jet flow gates (outlet works). The name was officially changed to Hoover Dam in 1947. Bridge is visible in the foreground.
A group of construction workers that made Boulder Dam get together to take a picture. The man in middle is boss of crew at Boulder Dam, Doc Lawson. All of the crew built/was in charge of center section of power house, machine shops, seismograph room, clock room & battery room. Merlin S. Murphy absent with injury. Taken the summer of 1935.
Black and white image of concrete being placed into the side walls of diversion tunnel #4 at Hoover Dam. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image of concrete being placed into the side walls of diversion tunnel #4 at Hoover Dam. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
An image showing a bird's eye view of cars driving on the crest of Hoover Dam. The text on the lower left corner of the image reads: Boulder Dam. Boulder Dam was officially renamed Hoover Dam in 1947.