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.
An image of a mining building and a boat on Lake Mead. Gold ore claims were made near the northern shores of Lake Mead in the late 1930s, after the completion of Hoover Dam. Shipments of ore were towed down Lake Mead by barge for railroad transport. Text on bottom of image reads: "First load of gold ore to be transported on Boulder Lake by barge." Note: Boulder Dam was officially renamed Hoover Dam in 1947.
An image of a mining building and a boat on Lake Mead. Gold ore claims were made near the northern shores of Lake Mead in the late 1930s, after the completion of Hoover Dam. Shipments of ore were towed down Lake Mead by barge for railroad transport. Text on bottom of image reads: "First load of gold ore to be transported on Boulder Lake by barge." Note: Boulder Dam was officially renamed Hoover Dam in 1947.