Oral history interview with Anna Jennings Welsh conducted by Judith Siu on July 05, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. Welsh begins by describing her family's history in Las Vegas, Nevada, beginning in 1911 with her grandmother. She discusses her grandmother's life and her collection of artifacts, which would later become part of the Southern Nevada Museum by the Henderson, Nevada Chamber of Commerce (now the Clark County Museum). Welsh continues talking about her own life, including her education, hobbies, family, friends, and living in Las Vegas. She also discusses nuclear weapons testing, the history of casinos in Las Vegas, her father's work constructing Hoover Dam (Boulder Dam), and how Las Vegas has changed.

Oral history interview with Elsie Whipple conducted by Hugo A. Cascos Jr. on March 22, 1978 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Whipple discusses Southern Nevada history and recalls the construction of Boulder (Hoover) Dam. Whipple also recalls the first hotels and casinos to open on the Las Vegas, Nevada Strip, and her work as a missionary with the Mormon Church.

Oral history interview with Leora M. Wilcox conducted by Alex D’Andrea on January 14, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. Wilcox discusses arriving to Las Vegas, Nevada in 1945, and shares her disappointment upon arrival. Wilcox also describes what it was like to live in Las Vegas and Henderson, Nevada while efforts for World War II were taking place. Wilcox later describes some of the most noticeable changes throughout Las Vegas, as well as the construction of Boulder (Hoover) Dam.

Oral history interview with Alda May and George Williams conducted by Jay Brewer on April 09, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Alda and George discuss the history of Boulder City, Nevada. Alda describes arriving to Boulder City in 1931 and recalls moving into one of the first homes built there. George then talks about working on the Boulder (Hoover) Dam and describes the various jobs he had at the dam. The two then discuss social life in Boulder City and how it changed as the population increased. Lastly, Alda and George describe their frequent visits to Las Vegas, Nevada and recall the entertainment that the city offered.

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 Morgan J. Sweeny conducted by James M. Greene on September 20, 1974 for the Ralph Roske Oral History Project on Early Las Vegas. Sweeny discusses Boulder City, Nevada and the Boulder (Hoover) Dam.

Oral history interview with Patricia Lappin conducted by Nancy Bright on February 26, 1980 for the Ralph Roske Oral History Project on Early Las Vegas. The interview covers Boulder City, Nevada around Hoover Dam. The two discuss the different gambling habits between Southern Nevada locals and Las Vegas tourists. During the latter half of the interview, the two speak at length about the impact of nuclear waste on Nevada. Lappin explains the unique issues that Southern Nevada faces as one of three states to accept nuclear waste.