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 Canyon stretches along the Colorado River, just before Hoover Dam. Fortification Hill is in the distance and the Hoover Dam is ahead to the right.
Sparse vegetation on the rocky cliffs above a narrow side canyon that soon will be filled. Seen from a boat traveling along the Colorado River in Boulder Canyon.