Oral history interview with Darwin Lamb conducted by David Blanton on October 25, 1972 for the Ralph Roske Oral History Project on Early Las Vegas. In the interview, Lamb discusses his early life living in Las Vegas, Nevada, the Church of Jesus Christ of Latter-day Saints, and various United States presidents who visited Las Vegas. Lamb also discusses his involvement in politics as a Clark County Commissioner, Las Vegas economics, and the growth and change of the hotel and casino industry over time.

Oral history interview with Clay Lynch conducted by Linda M. Trust on June 28, 1973 for the Ralph Roske Oral History Project on Early Las Vegas. In the interview, Lynch discusses moving to Las Vegas, Nevada from Illinois in July 1955, his education at the University of Pittsburgh, Nevada social welfare programs, and Las Vegas, Nevada casino showrooms. Lynch also briefly discusses his work as a United States Army engineer training officer, as well as a transportation engineering consultant and contractor for his company, Lynch Brothers.

Oral history interview with Walker Young conducted by Elton Garrett on June 23, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. Virginia "Teddy" Fenton, Hal Erickson, Martha Garrett, and Jane Young also briefly participate in the interview. They answer a few questions about their experience working on the project and working with Young. Young primarily discusses the design and construction of the Boulder (Hoover) Dam. He details surveying possible dam sites and describes his interactions with members of the project team.

Oral history interview with Joe Pavlikowski conducted by Jay Brewer in 1972 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Pavlikowski discusses his career in politics and as a district judge after his move to Las Vegas, Nevada in the 1950s. Pavikowski describes his time at Nellis Air Force Base while he served in the U.S. Air Force. Finally, he talks about changes throughout Las Vegas, specifically economic, environmental, and legal changes regarding gambling.

Oral history interview with Jean McColl conducted by Sam C. Melchiome Jr. on March 01, 1977 for the Ralph Roske Oral History Project on Early Las Vegas. In the interview, McColl discusses her childhood and family in Searchlight, Nevada and her eventual move to Las Vegas, Nevada in 1944. McColl also discusses her education, Boulder (Hoover) Dam, Mount Charleston, Lee Canyon, atomic testing, Las Vegas entertainment, and juvenile delinquency.

Oral history interview with Myron E. Leavitt conducted by Thomas Neill on March 14, 1978 for the Ralph Roske Oral History Project on Early Las Vegas. In the interview, Leavitt discusses his childhood in Las Vegas, Nevada during 1930s. He describes recreational activities during the time, his education, his law practice, and his eventual position as Justice of the Peace between 1960 to 1962. Leavitt then discusses issues and events occurring during his life including city navigation, the Las Vegas creek, employment, the arrival of Howard Hughes, the economy, atomic testing, and World War II.

Oral history interviews with Paul M. Lytle conducted by Dennis McBride on March 08, 1996 for the Boulder City Library Oral History Project. In the interview, Lytle discusses his birth in Salt Lake City, Utah, his early life in Overton, Nevada, moving around the Southwest United States, and returning to Overton in the early 1930s to work with the Civilian Conservation Corps. Subjects Lytle also talks about in the interview include road and campsite construction at the Valley of Fire State Park, stories about associates and relatives, and being enlisted as a male nurse with the United States Army during World War II. Lastly, Lytle talks about the construction of an exhibit building at Hoover Dam (Boulder Dam) originally used as a headquarters for soldiers during World War II to protect the dam.