The Boulder City 31ers Photograph Collection depicts the construction of the Hoover (Boulder) Dam and the development of Boulder City, Nevada from 1930 to 1987. The photographs primarily depict construction of the Hoover Dam, but they also depict workers, dormitories, the Colorado River, stores, and Black Canyon.
A black and white image of women and children posing in front of a makeshift home in in Ragtown, an area near the Hoover Dam construction site at Black Canyon, not far from Boulder City.
An exterior view of the Bower Mansion located near Carson City, Nevada. Printed on the front of the postcard: "Historic Bowers Mansion on highway Carson City to Reno, Nev."