Oral history interview with Ray C. Early conducted by Barry Greenberg on March 03, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. Early discusses arriving to Southern Nevada, its history, and changes that occurred.

Oral history interview with Hobert D. Blair conducted by Jay Brewer on April 20, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. The interview covers the growth of Boulder City, Nevada from 1931 to 1975. Blair discusses his work history and the social activities available in Boulder City. Blair also talks about the development of Fremont Street in Las Vegas, Nevada.

Oral history interview with LaVerne A. Reid conducted by her daughter, Nancy Ann Reid, on March 13, 1978 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Reid describes her early life living in Bunkerville, Nevada and the town's history.

Oral history interview with Gwendolyn Woolley conducted by Jeffery M. Snell on March 09, 1976 for the Ralph Roske Oral History Project on Early Las Vegas. Woolley discusses early Nevada history along with her experiences with the development of Las Vegas, Nevada.

Oral history interview with Leo Dunbar conducted by Dennis McBride on June 16, 1986 for the Boulder City Library Oral History Project. In this interview, Dunbar gives a brief history of the Bureau of Reclamation (Bureau of Land Management) and the beginning of his life-long career with that agency, first working on two major projects in Colorado. He then discusses how The Six Companies won their bid to build the Hoover Dam, the establishment of the federal reservation that would house Boulder City, and the growth and development of both the city and the dam project.