A black and white image of the back of the Thunderbird Hotel, including its swimming pool.

A black and white image of guests playing shuffleboard and lying down in the pool area of the Desert Lodge. The location of the hotel is unknown, but probably somewhere in Nevada.

Black and white image of officials from the Six Companies of San Francisco and the Bureau of Reclamation, as well as some local individuals, signing the contract to construct Hoover Dam (note: Boulder Dam was officially renamed Hoover Dam in 1947). Dr. Elwood Mead is signing the contract. Seated next to him is Henry J. Kaiser. Also identified in the photograph (in no particular order) are W.R. Armstrong, Walker Young, R.F. Walter, and Louis Crampton.

A black and white image of U.S. Marshal Claude Williams and his family in front of his office. The words "U.S. Marshal" are spelled out in white rocks in front of the building.

A black and white image of a woman and three children standing behind a food truck in Ragtown, an area near the Hoover Dam construction site at Black Canyon, not far from Boulder City. Two men appear to be distributing food from the bed of the truck.

A black and image image of four men, including a 75-year-old identified as Sam Jones, distributing water in an area known as Ragtown near the Hoover Dam construction site at Black Canyon, not far from Boulder City.

A black and white image of J.H. DeLeach (left) and R.R. Heusel in an area known as Ragtown near the Hoover Dam construction site at Black Canyon, not far from Boulder City.