Materials contain photographs of Caliente, Nevada from 1900 to 1930, including photographs of the saloon fire from 1910, a bridge, a railroad tunnel, Caliente Grade School, and a mining crew.
Materials contain photographs of Boulder City, Nevada from 1932 to 1952, including photographs of schools, children, construction projects, and architectural sketches.
Materials contain photographs of J. T. McWilliams and the McWilliams family from 1930 to 1938. McWilliams was a surveyor and civil engineer who founded the original Las Vegas townsite (McWilliams Town). He also owned a portion of Lee Canyon, which he donated to become a public park.