The James Cashman Sr. Photograph Collection (approximately 1905 to 1975) consists of black-and-white photographic prints, negatives, slides, and albums as well as a glass plate negative. The photographs depict four major subjects: Cashman's family, friends, and associates; Cashman's businesses; the Hoover Dam and Colorado River; and various locations across Nevada.

Oral history interview with Dorothy Kelsey conducted by James M. Greene on January 20, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. This interview covers the early days of Nelson, Searchlight, and Las Vegas, Nevada, as Kelsey offers an in-depth personal narrative on the life of a local. The interview concludes with a discussion on hotels and casinos.

Oral history interview with Hazel Shadowen conducted by Patricia van Betten on March 30, 2004 for the History of Blue Diamond Village in Nevada Oral History Project. In this interview, Shadowen discusses her personal history and moving to Blue Diamond, Nevada in the late 1930s. She describes her husband's employment at the Blue Diamond and Searchlight, Nevada mines and living at a mining village. Shadowen talks about the cost of living at the time, medical services in the mining village, and resources that were provided for the residents.

Oral history interview with Ruth and Jake Dieleman conducted by James M. Greene on November 15, 1974 for the Ralph Roske Oral History Project. The Dielemans discuss their life in Southern Nevada. Ruth first talks about growing up in Searchlight, Nevada, and her experiences as an educator. Jake discusses immigrating to the United States and working in construction rigging at the Hoover Dam. He also discusses his work in various Las Vegas, Nevada casinos and in the state legislature.