The Las Vegas, Nevada photographs depict the city of Las Vegas from 1940 to 1970. The photographs include the houses of the Squires Family and the Park Family, Bonanza Aircraft, Nellis Air Force Base, and Squires Park.

The locations in Southern Nevada and the Southwestern United States photographs depict people in Southern Nevada and the Southwestern United States from approximately 1900 to 1975. The photographs include politicians and engineers investigating the Colorado River for the future sight of the Hoover (Boulder) Dam in Black Canyon; Hoover Dam workers and construction; the towns of Goodsprings, Beatty, and Indian Springs in Nevada; the Grand Canyon in Arizona; and Mount Charleston in Nevada. The items described include black-and-white photographic prints, postcards, and negatives; items listed are photographic prints unless otherwise specified.

The Squires Family photographs depict the Squires Family from approximately 1860 to 1980. The photographs include C. P. Squires, Delphine Squires, their children and grandchildren, family friends, houses, and family gatherings. The items described include black-and-white photographic prints, postcards, and negatives; items listed are photographic prints unless otherwise specified.