This photograph has three images. The first one, (0272_0002) reads, "Transports coming from dam-day shift. Climbing out the sides to be one of first in the commissary for a bottle of beer. It's been hot down there and they are thirsty," as a handwritten inscription. The second one, (0272_0003) reads, "One of several dorms that happened to be mine. (The arrow points to room) No grass to mow. One of its good points. Radios would not receive programs until early night, reason- no ground-no moisture in soil," in a handwritten inscription. The Six Companies Inc. dormitory housing 172 men, Boulder City, NV. The third picture, (0272_0004) which is upside down, reads "One pour wide getting in each other's way; hi-line moving catwalk soon will be finished," as a handwritten inscription on the image about the Hoover Dam under construction.

Black and white image of a celebration at the Hoover Dam powerhouse. The Young Presidents' Organization arranged a party for nearly 1,000 people that was held on the roof of the powerhouse. The visitors, the first to use this setting, would all be wearing hard hats. Tables, chairs, barbeque pits, a bandstand, and dance floor are visible.

This photograph has three images. The first one (0272_0078) reads "'Form Raising Crew' - cont. - Whitie, Indiana 'Hoosier', lining the bolt up from inside. Always looking for a hammer, or bar, when it was time to climb over the top." The second one (0272_0079) reads, "Drilling jumbo in mouth of spillway tunnel," as a handwritten inscription. The third image (0272_0080) reads, "Nevada spillway with flood gates lowered. Notice size of man in gates. Constructed to prevent flood waters from overflowing dam. Each spillway - capable of passing 200,00 cu. ft. per second."

A shot of unidentified men at a Boulder City Rotary Club event at Hoover Dam.

Aerial view of Hoover Dam. Water is discharging from jet flow gates.

Aerial view of Hoover Dam. Water is discharging from jet flow gates.

Aerial view of Hoover Dam. Water is discharging from jet flow gates.