The Walking Box Ranch Collection (1917-2011) includes material collected by the University of Nevada, Las Vegas (UNLV) Public Lands Institute on the Searchlight, Nevada ranch. Materials include a maps related to the construction and operation of the ranch, a pair of chaps owned by Rex Bell, Jr., and color slides of the ranch. Also included are photographic prints of Rex Bell and Rex Bell, Jr., and newsclippings related to the film and political career of Rex Bell. A small number of newsclippings pertain to the career of Rex Bell, Jr.

Oral history interview with Dean Pulsipher conducted by Dennis McBride on August 19, 1986 for the Boulder City Library Oral History Project. In this interview, Pulsipher discusses his early life in St. Thomas, Nevada and Bunkerville, Nevada. He remembers traveling to Las Vegas, Nevada as early as 1905, moving to Las Vegas in the early 1920s, and the significance of the railroad at the time. Pulsipher describes living through the prohibition era, paving the road from Las Vegas to Searchlight, Nevada, and the construction of the Hoover Dam.