The William White Postcard Collection (approximately 1930-1940) consists of three postcards depicting the Hoover Dam (Boulder Dam) on the border of Nevada and Arizona. One postcard showcases Oskar J. W. Hansen’s “Figures of the Republic” sculptures near the Hoover Dam. Another postcard displays an interior view of the visitor’s gallery at the Hoover Dam. The final postcard depicts the Hoover Dam at sunset.

The Alan Bible Photograph Collection contains color photographic prints of the Hoover Dam; an aerial of the Colorado River; an Atomic Energy Commission drill rig in Central Nevada; and views of a Nuclear Rocket Development Station (NRDS) facility at the Nevada Test Site between approximately 1970 to 1974. These photographs are captioned and were originally framed and hung in Alan Bible's United States Senate office.

Oral history interview with Vincent Novotny conducted by Carol Linton on March 05, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Novotny discusses moving to Las Vegas, Nevada from Ohio after joining the Civilian Conservation Corps. Novotny discusses how Las Vegas has changed, the effect the Hoover (Boulder) Dam had on the city's growth, and the crash of Carole Lombard's plane. Novotny also briefly describes how he got his real estate license and shows the interview collector a series of pictures of his travels around the state of Nevada.

Oral history interview with Fern and Witt C. Olive conducted by Terry Rogers in 1977 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Fern and Witt Olive discuss moving to Las Vegas, Nevada in 1922 and 1926 respectively. Witt talks about the construction of the Boulder (Hoover) Dam, his experience in the Boy Scouts of America, and the growth of Las Vegas. Fern primarily provides confirmation for Witt's reminisces.

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.