Oral history interview with William Murphy conducted by Donald Sutherland on February 20, 1972 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Murphy discusses his life in Henderson, Nevada. Murphy describes the growth of the city and briefly talks about subjects such as atomic bomb testing, indoor heating, and his career in the U.S. Navy.

Oral history interview with Saul Wixson conducted by Ralph Goudy on March 07, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. Wixson discusses the construction of Boulder (Hoover) Dam and the work of Frank Crowe, chief engineer of Boulder (Hoover). Wixson also discusses the process and work required to construct the dam and his opinion of the dam as it was being completed.

Oral history interview with Marjorie McManus conducted by an unknown interviewer on October 24, 1972 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, McManus discusses the history and differences betweeen Boulder City, Nevada and Las Vegas, Nevada. She talks about the differences in culture, education, and stances on political issues.

Oral history interview with Alfred Isola conducted by Stephen Kalish on March 15, 1976 for the Ralph Roske Oral History Project on Early Las Vegas. Isola discusses Las Vegas, Nevada’s lack of a unified garbage system and how dumping sites have had to adjust their practices in order to limit their impact on pollution. Isola also explains the different disposal protocols for wet and dry trash.