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.
Materials include photographs of Panaca, Nevada from 1890 to 1972, including photographs of Panaca's schools, buildings, Elbert Edwards's family home, geographic features near the town, and people working.