Oral history interview with Morgan J. Sweeny conducted by James M. Greene on September 20, 1974 for the Ralph Roske Oral History Project on Early Las Vegas. Sweeny discusses Boulder City, Nevada and the Boulder (Hoover) Dam.

Oral history interview with Liermann L. Ousley conducted by Brian Emil on April 29, 1986 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Ousley discusses his career as a lineman, a type of electrician, in California and Nevada. Ousley also discusses how Las Vegas, Nevada has changed since moving there in 1933 and observing the first nuclear weapons test.

Oral history interview with Brad Nelson conducted by Stefani Evans on October 30, 2017 for the Building Las Vegas Oral History Project. Nelson recalls planning various parcels, the village of Silver Springs, the village of Fox Ridge, the Fountains, and the Green Valley Athletic Club. He discusses the Green Valley ethos of planning for a good quality of family life by making space for churches, schools, and parks; providing a variety of housing price points, public art, working with homeowners' associations, and Single Point Urban Interchanges (SPUIs).

Oral history interview with Ernest Jackson conducted by Larry E. Cooper on March 1, 1980 for the Ralph Roske Oral History Project on Early Las Vegas. Jackson discusses his experiences in the Westside as a Black Las Vegas, Nevada resident. Jackson discusses the lack of property buyers on the Westside and his goals of improving the Westside by building on the land. Jackson also discusses his youth as a baseball star for Las Vegas High School in the 1950s.

Oral history interview with John Wittwer conducted by Perry Kaufman on May 17, 1972 for the Ralph Roske Oral History Project on Early Las Vegas. Kaufman discusses living in Santa Clara, Utah and describes families from Switzerland migrating there as converts to the Latter-Day Saints Church.

Oral history interview with Dan Bennett conducted by Guy Pence on October 03, 1972 for the Ralph Roske Oral History Project on Early Las Vegas. During this interview Bennett talks about the visits from presidents and other important people to the Las Vegas, Nevada area and discusses the 1942 plane crash of Carole Lombard’s plane. He also mentions Boulder Dam and describes the economic, social and environmental changes that have taken place in Southern Nevada over the years.

Oral history interview with Russell K. Grater conducted by Frederick Dougan on February 10, 1977 for the Ralph Roske Oral History Project on Early Las Vegas. Grater first talks about his move to the Southern Nevada area and his work that impacted the Hoover (Boulder) Dam project. He then talks about the town of St. Thomas, Nevada, the Lost City, and the activities of tourists. Grater also talks about his work in excavation, the indigenous American Indian tribes of the area, findings on petroglyphs, and the types of wildlife that were found in the area. He later talks about findings related to fossils, gold mining, the effects of World War II on the Hoover Dam project, and vegetation in the area.