Oral history interview with Robert Parker conducted by Dennis McBride on June 02, 1986 and November 09, 1986 for the Boulder City Library Oral History Project. In this interview, Parker discusses the construction of the Hoover Dam and the development of Boulder City, Nevada. Parker recalls the events on December 07, 1941, the closing of Hoover Dam shortly after the Pearl Harbor attacks, and United States military protection of the dam during World War II.

Oral history interview with Rose Lawson conducted by Helen Littleton and Connie Degernes on July 26, 1974 for the Boulder City Oral History Project. In this interview, Lawson discusses living in Boulder City, Nevada during the construction of the Boulder Dam. She remembers the houses built by Six Companies, Inc., the first churches built in Boulder City, and the increase in population in the early 1940s.

Oral history interviews with Merle Frehner conducted by Elisabeth Nelson Patrick January 17, 1981 and January 19, 1981 for the UNLV University Libraries Oral History Collection. In the first interview, Frehner talks about his upbringing in Littlefield, Arizona and moving to St. Thomas, Nevada. He talks about driving heavy-duty freight wagons, transporting mining supplies, and the formation of a school district in St. Thomas. Frehner remembers the entertainment in St. Thomas during the 1920s, recreational activities, and commuting to Overton, Nevada to attend high school. Lastly, Frehner describes the local businesses in St. Thomas, miners residing in the town, and the town’s growing popularity after the construction of Arrowhead Trail (U. S. Highway 91). In the last interview, Frehner discusses transporting produce to Las Vegas, Nevada and Tonopah, Nevada during the late 1920s, the construction of Hoover Dam, and Lake Mead water levels overtaking St. Thomas.

Oral history interview with Helen Mott Cecil conducted by Claytee D. White on April 24, 2007 for the Boyer Early Las Vegas Oral History Project. Helen Mott Cecil discusses growing up in Las Vegas, Nevada on the Westside, including seeing the Helldorado parades and Hoover (Boulder Dam). She also discusses working for Farmers Home Association and in the medical care and entertainment industry during the 1930s. She then discusses her divorce and other topics like the atomic bomb testing, the bus system, and downtown Las Vegas.

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 interview with Marjory Gusewelle Phillips conducted by Jodie C. Tenuta on May 11, 1976 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Phillips discusses growing up in Las Vegas, Nevada and describes various recreational activities throughout the city. Phillips then discusses the significance of the Helldorado Parade to locals and how the parade brought the community together. Phillips later recalls watching the Boulder (Hoover) Dam being constructed and the events around the opening of the dam.

Oral history interview with Bernice Reid conducted by Brenda Sawyer on March 12, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. Reid describes life in Nevada after moving there in 1926 and the challenges she and her ex-husband faced trying to breed chinchillas on their ranch on Mount Charleston. Reid also discusses the development of Las Vegas, Nevada, seeing President Hoover speak at the Hoover (Boulder) Dam, and the nuclear weapons tests.