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.

The Frank C. "Doc" Jensen Photograph Collection (approximately 1920-2005) is comprised of one black-and-white photographic reprint and copy negative of Frank Jensen standing near the partially-constructed Hoover Dam (Boulder Dam) and a photographic negative depicting Jensen in a naval dress uniform standing in front of a wall that indicates height.

The Florence DeVinney Krolak Photograph Collection (approximately 1930-1979) contains photographic prints of the Casino Monte Carlo in Monaco, the Boulder (Hoover) Dam with local dignitaries, and Harley E. Harmon and Frank DeVinney (Clark County Assessor). The collection also contains one publicity photograph of Neil Diamond and some images have corresponding negatives. Frank DeVinney was an assessor for Clark County, Nevada.

Oral history interview with Mary R. Stout conducted by Greg Rowland on February 20, 1980 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Stout discusses her personal history and living in Boulder City, Nevada. Stout describes living in "Ragtown," a makeshift settlement for workers constructing Hoover Dam (Boulder Dam) before Boulder City was established. She also describes her father's duties as a pipe fitter while working on the construction of Hoover Dam (Boulder Dam) and how Boulder City has changed and evolved. Stout concludes by talking about nuclear weapons tests, her careers, and gambling in Boulder City.

Oral history interview with Henry E. Wellman conducted by Rebecca Rounds on March 14, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Wellman discusses his personal history and the history of Boulder City, Nevada. Wellman describes the construction of Hoover Dam (Boulder Dam), being a laborer working on the dam, and life in Boulder City during the 1940s. He talks about the United States government selling housing and land after the completion of Hoover Dam and how Las Vegas, Nevada has changed and expanded. Wellman also discusses the legalization of alcohol in Boulder City.

Oral history interview with Alfred Baker conducted by Blanche Uekling on April 04, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. Baker discusses Las Vegas, Nevada general history, including the Boulder (Hoover) Dam.