Oral history interview with Erick Spiess conducted by Thomas Barr on March 18, 1978 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Spiess discusses his personal history and how he came to Las Vegas, Nevada. Spiess describes how Las Vegas and its casinos have changed, construction projects he has worked on, and his interest in inventing. Spiess also discusses his career as the electrical inspector at the Nevada Test Site, how and why the nuclear tests were conducted, and the commercial applications of the tests. He goes on to talk about radiation and the effects of nuclear fallout.

Oral history interview with Marguerite Segretti conducted by Tommy Rendano on February 24, 1977 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Segretti discusses her personal history and life in Las Vegas, Nevada. Segretti discusses her career as the Clark County Democratic Central Committee Chairman, a position which she was serving in at the time of the interview, and politics on the local and national level. Segretti describes how Las Vegas has changed and expanded, life in Las Vegas, and the presence of religion in Las Vegas. Segretti also discusses sex work and prostitution in Las Vegas and the rest of Nevada, as well as misconceptions people have about the city.

Oral history interview with Brenda Arnold conducted by Janet E. Prince on February 28, 1977 for the Ralph Roske Oral History Project on Early Las Vegas. Arnold discusses her career as a librarian, her religious activities in Las Vegas, Nevada, and viewing the above-ground atomic testing. She also recounts activities she did while visiting Lake Mead and Harris Springs at Mount Charleston.

Oral history interview with Richard D. Chase conducted by Helen Rondthaler on October 17, 1972 for the Ralph Roske Oral History Project on Early Las Vegas. Chase discusses the history of Las Vegas, Nevada from 1945, touching on topics such as the housing shortage during the 1940s, The Red Rooster swingers’ club, Billy Moore, Sam Larson, Ira Goldring, atomic bomb testing, and the Nevada environment. Chase discusses the importance of construction-based labor to the development of Southern Nevada. Chase also explains at length the impact of the Nevada Test Site on his construction company.

Oral history interview with Florence Smith conducted by her grandson, Sam Smith, on March 19, 1978 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Smith discusses the police department for Las Vegas, Nevada and crime in the city. She describes employment levels, the ease and difficulty of finding work, and where someone can find jobs. Smith talks about raising her children and federal government ownership of land in Nevada.

Oral history interview with David Pearl conducted by Cameron Holloway on February 27, 1979 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Pearl recalls his first impressions of Las Vegas, Nevada when arriving in 1949. Pearl then discusses the environmental and social changes in Las Vegas. Pearl later describes his work as a boxing referee and recalls stories of some of the matches that he refereed. Lastly, Pearl discusses the Athletic Department at the University of Nevada, Las Vegas (UNLV) and talks about the growth of athletics at UNLV.

Oral history interview with Virginia Valentine conducted by Stefani Evans and Claytee D. White on July 25, 2016 for the Building Las Vegas Oral History Project. In this interview, Valentine discusses her early life in Florida. She recalls her move to Las Vegas, Nevada in 1981, working in a wastewater treatment plant, and becoming Chief Engineer and General Manager of the Clark County Regional Flood Control District. Valentine then talks about attending the University of Nevada, Las Vegas (UNLV), obtaining a master's degree in public administration, and her involvement with flash flood management in southern Nevada. Lastly, Valentine describes becoming a registered professional engineer (PE) and her work with the Nevada Resort Association (NRA).