An image of the visitors' gallery inside the Hoover Dam powerhouse packed full of people. Hand-printed text at bottom of image reads: "Visitors gallery, Power Plant, Boulder Dam." Note: Boulder Dam was officially renamed Hoover Dam in 1947.
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.