Oral history interview with Dan Hill conducted by John L. Bennett on March 1, 1979 for the Ralph Roske Oral History Project on Early Las Vegas. Hill goes in-depth about his experience as a worker at the Nevada Test Site, and different mining sites that he had also worked at. The two briefly discuss the different sheriffs that had been in charge of Las Vegas, Nevada and how many people came to Las Vegas to work at the Henderson Magnesium Plant and Boulder (Hoover) Dam.

Oral history interview with George and Theona (Toni) Garner conducted by Rod Leavitt on March 25, 1987 for the Ralph Roske Oral History Project on Early Las Vegas. In the interview, George Garner discusses his father, who was a Boulder (Hoover) Dam worker and was one of the first homesteaders in the Ash Meadows area in southern Nye County, Nevada. George also describes the Ash Meadows Lodge, which was intended to be a dude ranch by Las Vegas, Nevada promoters. Lastly, George Garner briefly discusses his early life and education in Las Vegas, Nevada. Toni Garner briefly discusses her early life in St. Paul, Minnesota.

Oral history interview with Arlene and Nephi Potter conducted by Shirley A. Myers on July 07, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Arlene discusses her personal history, education, and church activities. Nephi then discusses his employment at the Basic Magnesium Plant and the two recall atomic bomb explosions at the Nevada Test Site. Later, Nephi and Arlene discuss Carole Lombard’s plane crash and the construction of Hoover Dam (Boulder Dam). Lastly, the two recall their experiences living in Las Vegas, Nevada.

Oral history interview with Helen Manix conducted by Sherry O’Neil on October 25, 1972 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview Helen Manix shares her experiences in Boulder City, Nevada as the owner of the first department store. Manix discusses the construction of Boulder (Hoover) Dam and the growth of Las Vegas, Nevada as gambling became legal.

The Elton and Madelaine Garrett Photograph and Architectural Drawing Collection contains photographic prints and architectural drawings of Boulder (Hoover) Dam; Las Vegas, Nevada; Boulder City, Nevada; and other locations in the American Southwest from approximately 1927 to 1990. The photographs primarily depict Hoover Dam's construction and areas around Hoover Dam, Las Vegas, and Boulder City during the 1930s and 1940s. The bulk of the architectural drawings and maps are projects and diagrams related to the planning and development of Boulder City, Nevada between 1943 and 1985.

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.

Oral history interview with Harvey N. Dondero conducted by Iskandar A. Batlouni on February 26, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. Dondero discusses relocating to Las Vegas, Nevada in 1931 to teach at Las Vegas High School. Dondero also discusses the Boulder (Hoover) Dam, the gaming industry, school integration, the Westside, the Strip, Howard Hughes, Block 16, and the growth of Las Vegas from a sleepy railroad town to a thriving metropolis.