Oral history interviews with Ralph Denton conducted by Donalene V. Ravitch on February 24, 1980 and March 16, 1980 for the UNLV University Libraries Oral History Collection. In these interviews, Denton recalls growing up in Caliente, Nevada. He talks about aspects and events in the community both during his life and before his birth, including the school system, housing, mining, the importance of the railroad, the stagecoach, the advent of legal gambling, farming, and the periodic flooding. He also discusses Caliente's population and the increase in ethnic minorities and Mormons in the area, the importance of politics, Franklin Delano Roosevelt's whistlestop visit to the town, and the economy during the depression.

Oral history interview with Darlene Kelly conducted by David P. Wiser on March 16, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. Kelly discusses how she first arrived in Las Vegas, Nevada and her occupational history. Kelly goes on to describe the Stewart Ranch, as well as the social environment of the 1940s and 1950s in Southern 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.

Oral history interview with Leslie W. Edwards conducted by John Porter on March 19, 1976 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview Edwards provides an overview of rural Panaca, Nevada history starting in the early 1900s. Edwards describes how life operated for rural Nevadans and also describes his family's experiences on their farm.

Oral history interview with Tad Porter conducted by Joseph H. Cutchin III on October 17, 1972 for the UNLV University Libraries Oral History Collection. In this interview, Porter discusses his early life and moving to Las Vegas, Nevada in 1939. He remembers the Carole Lombard plane crash accident, the construction of Hoover Dam, and social changes in Las Vegas since the 1940s.

Oral history interview with John Brooks conducted by Jeff Kennedy on February 28, 1979 for the Ralph Roske ORal History Project on Early Las Vegas. During the interview Brooks discusses gaming, education, the early above-ground atomic blasts, the Boulder Dam, and social and environmental changes in Nevada. Brooks also discusses the Old Ranch, economic changes, religion, politics, family life, the Navy, sports, the railroad, Fremont Street, and the hotels on the Las Vegas, Nevada Strip.

Oral history interview with Wilfred Voss conducted by Ann Chetelat on March 02, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Voss discusses his personal history and employment experiences. He goes on to describe his employment at the Hoover Dam (Boulder Dam) as a laborer and recalls the construction process. Voss then discusses his involvement with the Masonic Lodge in Boulder City, Nevada.