Oral history interview with George Monahan conducted by Colleen F. Karnes on February 28, 1980 for the Ralph Roske Oral History Project on Early Las Vegas. Monahan, a county engineer, discusses the history of flood control management in Las Vegas, Nevada and throughout Clark County. Monahan explains the seriousness of flooding in the city, how flooding is managed, and the solutions for flood prevention. Monahan also discusses the evolution of the Clark County Department of Public Works.

Oral history interview with John H. Pappas conducted by James Greene on October 04, 1974 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Pappas describes coming to the United States during the early twentieth century, eventually making his way to Nevada in 1904. Pappas discusses working for the San Pedro, Los Angeles & Salt Lake Railroad Company helping to build the railroad from Caliente, Nevada to Las Vegas, Nevada. Pappas later discusses leaving Nevada, then returning to help build the Hoover (Boulder) Dam, before leaving due to the extreme heat. Pappas describes his personal history in Las Vegas, the city's changes, and opening his own restaurant.

Oral history interview with Dorothy Thompson conducted by Patricia Moore on February 18, 1980 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Thompson discusses the growth of Las Vegas, Nevada. Thompson also describes her life as the wife of a railroad worker. She briefly discusses religion, specifically Mormonism.

Oral history interview with Jewel Nolen conducted by Philip Partridge on March 05, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. Nolen discusses her family moving from Winslow, Arizona to Las Vegas, Nevada in the early 1900s. She also discusses the growth of Fremont Street as well as the drinking culture at the time.

Oral history interview with William McGarry conducted by Shannon Beesley on February 12, 1977 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, McGarry discusses moving to Las Vegas, Nevada in 1955 from Reno, Nevada. McGarry also discusses politics in Nevada including the state senators and the process of becoming a senator.

Oral history interview with Kenneth W. Swallow conducted by Cynthia Brannon on March 11, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Swallow discusses his personal history and the history of Southern Nevada. Swallow describes moving to Boulder City, Nevada during the 1940s and his career working for the postal service. Swallow goes on to describe prominent figures who visited the Hoover (Boulder) Dam, his involvement in organizations, recreational activities, and nuclear testing. He concludes by discussing the history of Basic Magnesium Inc. and the city of Henderson, Nevada, and how Boulder City has developed and changed.

Oral history interviews with John Edmond conducted by Claytee D. White on February 19 and 25, 2013 for the African Americans in Las Vegas: a Collaborative Oral History Project. Edmond discusses his family history in Tallulah, Louisiana and moving to Las Vegas, Nevada before Basic Magnesium, Inc. drew many African Americans to the region. He recalls working as a young boy at the local bowling alley and later attending college in Seattle, Washington. After college, Edmond returned to Las Vegas and became the first Black baccarat dealer at the Stardust Hotel working for Frank Rosenthal. He discusses later owning the largest shopping center in the city.