Oral history interview with Marion Allen conducted by Dennis McBride on April 14, 1986 for the UNLV University Libraries Oral History Collection. In this interview, Allen discusses the construction of the Hoover Dam (Boulder Dam) and his father’s employment on the dam. He talks about becoming a dam construction worker and the working conditions during the early stages of the dam. Allen recalls the labor strike in 1935 and the opening of the dam. Lastly, Allen talks about engineer Frank Crowe’s involvement with the the project.

Oral history interview with Helen Jamison Baker conducted by Rod Lotspeich on March 12, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Baker discusses moving to Las Vegas, Nevada in 1932. She talks about housing at the time, Six Companies, Inc., and the development of Boulder City, Nevada in the 1930s. Baker describes the construction of the Hoover Dam, and the increase of convention centers in Las Vegas through the 1960s and 1970s. Lastly, Baker compares living in Henderson, Nevada to her past experience living in Boulder City.

Oral history interview with Clarence Ray conducted by Eleanor L. Walker in 1991 for the African American in Las Vegas: a Collaborative Oral History Project. In this interview, Ray provides details of his ancestry and upbringing, his education, and race relations in the western United States before 1930. He then moves on to his first visit to Las Vegas, Nevada in 1922, and his movements before settling permanently in the 1940s. He explains that the main source of employment for the relatively small Black population during the 1920s and early 1930s was the railroad, but a number were also in business. Mr. Ray provides thumbnail sketches of many of the early residents, and is particularly informative about "Mammy" Pinkston, Mary Nettles, the Stevens family, and the Ensley family. Systemic racial discrimination against Blacks developed in southern Nevada during the 1930s, and Mr. Ray provides some useful details on this along with his discussion of his career in gaming and his social and political activities.

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 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.

Oral history interview with Leo Dunbar, Harry Hall, Harold Wadman, Carl Merrill, and Mary Ann Merrill conducted by Dennis McBride on June 24, 1986 for the Boulder City Library Oral History Project. The interviewees discuss their early lives and families, moving to Nevada, and starting work on the Hoover Dam. They recall memories of living in Boulder City, Nevada during the Great Depression and beyond, and share information about the construction of the dam and the city as well as personal stories about their lives in Southern Nevada.

Oral history interview with Leo Dunbar conducted by Dennis McBride on June 16, 1986 for the Boulder City Library Oral History Project. In this interview, Dunbar gives a brief history of the Bureau of Reclamation (Bureau of Land Management) and the beginning of his life-long career with that agency, first working on two major projects in Colorado. He then discusses how The Six Companies won their bid to build the Hoover Dam, the establishment of the federal reservation that would house Boulder City, and the growth and development of both the city and the dam project.