Oral history interview with Gordon Reno conducted by Brian Galvin on March 01, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Reno describes his early life living in Henderson, Nevada and watching the city of Las Vegas, Nevada expand over time. Reno discusses the Boulder (Hoover) Dam and how it was once heavily guarded, as well as Mormonism in Las Vegas. Reno also talks about being stationed at a U.S. Marine base at Lake Mead, his career as a police officer in North Las Vegas, and the Basque people and their influence in Nevada.

Oral history interview with Vera Renteria conducted by Dan West on February 11, 1972 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Renteria discusses arriving in Las Vegas, Nevada in 1928 in search of job opportunities and talks about the various jobs she held. Renteria then describes the Boulder Dam (Hoover Dam), recreational activities, and wildlife around the area.

Oral history interview with Albert Risley conducted by his granddaughter, Wendy Dalmas, on February 27, 1979 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Risley discusses the development of Boulder City, Nevada after his transfer there from Denver, Colorado in 1944. Risley discusses creating a point-based system which was used to assign housing to government employees based on their status and needs. Risley describes life in Boulder City during World War II, and the nearby U.S. Army camp, Camp Williston, which was established to protect Boulder (Hoover) Dam during the war. Risley also describes observing nuclear weapons tests and his later career as a Contracting Officer and Procurement Officer for the Lower Colorado Region after being promoted in 1971.

Oral history interview with F. Lorin Ronnow conducted by Mindy Braver on March 11, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Ronnow discusses his personal history in Las Vegas, Nevada after being hired by the Union Pacific Railroad to play for their baseball team in 1928. Ronnow discusses being a hoisting engineer during the construction of the Hoover Dam, the economic benefit of the dam during the Great Depression, and his own business ventures in Las Vegas. Ronnow describes his career in banking, how Las Vegas has changed, and prominent celebrities coming to Nevada to divorce. Ronnow also discusses occupational discrimination against African Americans and women.

Oral history interview with James "Sailor" Ryan conducted by Perry Kaufman in 1975 for the Ralph Roske Oral History Project on Early Las Vegas. Ryan discusses moving to Nevada from Montana in 1935. Ryan describes his career as a construction laborer for the Hoover Dam (Boulder Dam) as well as later positions in construction. Ryan also details his involvement in politics and his position in the Nevada Assembly. Lastly, Ryan discusses gambling and the growth of Las Vegas, Nevada.

Oral history interview with Albert Schouten conducted by Roger DeSart on February 26, 1979 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Schouten discusses his family background in Las Vegas, Nevada dating back to 1924 and recalls growing up in Las Vegas. Schouten then describes the changes that the city went through and growth of Las Vegas at large. Later in the interview, Schouten discusses the bombing of Pearl Harbor, the opening of Boulder (Hoover) Dam with President Roosevelt, the increase in number of schools, and the construction of Nevada Southern University (later University of Nevada, Las Vegas). Lastly, Schouten shares his thoughts on how Las Vegas lost its sense of community, and discusses the increase of crime in Las Vegas.

The Morgan Sweeney Photograph Collection (approximately 1922-1969) consists of black-and-white photographic prints of Boulder City, Nevada, and Lake Mead and Hoover Dam areas, located on the border between Arizona and Nevada. The images depict the interior, exterior, and construction stages of Hoover Dam (Boulder Dam). There is also an aerial photograph of Boulder City, Nevada.