Oral history interview with Edith Allan conducted by Elizabeth Cleary on February 26, 1977 for the Ralph Roske Oral History Project on Early Las Vegas. Allan discusses living on a dairy farm, as well as her experiences working for Western Union and the Sal Sagev Hotel. Allan also mentions the building of Hoover Dam, Block 16, and the Stewart Ranch.

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 Dal Peterson conducted by Daion Dall on February 28, 1977 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Peterson recalls the opening of Boulder (Hoover) Dam, and the significance of the Helldorado Parade. Peterson later discusses environmental and social changes throughout Las Vegas, Nevada.

Oral history interviews with Madeline Taylor Knighten conducted by Blanche Uehling on September 17, 1974 for American Association of University Women Boulder City Branch and the UNLV University Libraries Oral History Collection. In this interview, Knighten discusses her life in Boulder City, Nevada in the 1930s and the construction of Hoover Dam. She remembers the Six Companies, Inc. housing, stores, and Boulder City manager Sims Ely. Lastly, Knighten talks about early businesses and the first church in Boulder City.

The Dorothy Keeler Papers (1811-1977) document early Las Vegas history, the life and career of former United States Mint director Eva Adams, and contain images of the Western United States and Southern Nevada in the 1930s. The collection contains clippings on the history of Las Vegas and early Las Vegas weddings as well as photographs documenting the Keelers' travels throughout the Western United States and the construction and dedication of Hoover Dam.

Oral history interview with Stella Iaconis conducted by Gary Gione on February 26, 1976 for the Ralph Roske Oral History Project on Early Las Vegas. Iaconis talks about seeing the above-ground atomic tests in Southern Nevada from Los Angeles, California and the drastic population growth that occurred after the construction of 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.