Oral history interview with Cliff Luzier conducted by Jerry Masick on May 27, 1974 for the Ralph Roske Oral History Project on Early Las Vegas. Luzier discusses arriving to Las Vegas, Nevada to work on the Boulder (Hoover) Dam in 1932. Luzier also discusses his personal history and recalls experiencing the ways Las Vegas, Nevada has developed.

Oral history interviews with Floyd Jenne conducted by Dennis McBride on various dates in March, April, and October of 1996 for the Boulder City Library Oral History Project. In the interviews, Jenne discusses his birth in Ogden, Utah in 1915, his early life in Northern Nevada in 1920s, and his later life in Boulder City, Nevada working as a reclamation ranger for the Bureau of Reclamation. Jenne begins the interviews discussing his work as a steel foundry worker and miner in McGill, Nevada, studying forestry, and enlisting in the Civilian Conservation Corps at Utah State University in 1934. Jenne then describes his experiences moving to Boulder City and working as a reclamation ranger. Other topics Jenne covers include providing security for notable Boulder City and Hoover Dam (Boulder Dam) visitors and patrolling the area. Lastly, Jeanne talks about the Boulder City Junior Chamber of Commerce, Boulder City's incorporation, and Boulder City law enforcement.

Oral history interview with Kenneth Ousley conducted by Patricia van Betten on October 02, 2009 for the History of Blue Diamond Village in Nevada Oral History Project. In this interview, Ousley discusses his personal history and moving to Blue Diamond, Nevada with his family. He talks about the work his father did as a miner at the Blue Diamond Mine and describes life in the village during the 1930s. Ousley recalls his visits to Las Vegas, Nevada and the construction of Boulder Dam (Hoover Dam). Lastly, Ousley talks about Cottonwood Ranch and the Blue Diamond school.

The Chip Johnson Collection of Hoover Dam Photographs (approximately 1930-1936) consist of sixteen black-and-white photographs that depict the construction of Hoover Dam and the surrounding area. The photographs were taken by an unknown photographer.

The George Kelly Ryan papers (1921-1971) contain correspondence inquiring about Octavius Decatur "O. D." Gass, newspaper clippings from 1929, handwritten recollections of the Gold Ranch by Laura Royce, and a San Pedro, Los Angeles and Salt Lake Railroad Company information, including information on wash-outs in Nevada.

A. J. Shaver Papers (1925-1964) include hearings, reports, Senate bills, bulletins, and surveys regarding the Boulder Canyon Project/Colorado River Development. There are also papers about Marienne Shaver's involvement in the Las Vegas High School Parent Teacher's Association (PTA) and the Girl Scouts of America (GSA), including minutes, correspondence, notes, and brochures.