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 Lawrence Nelson conducted by John Turner on February 22, 1977 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Nelson discusses the history of early Las Vegas, Nevada. He talks about the Old Mormon Fort, the importance of railroads in Las Vegas, and the construction of the Boulder (Hoover) Dam.

Oral history interview with Afton Powers conducted by Stephen Johnson on January 22, 1972 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Powers discusses living in St. Thomas, Nevada before the town was submerged in water after the construction of Hoover Dam (Boulder Dam). She describes the utilities they had, her recreational activities, and how the town prepared for its eventual submersion.