Oral history interview with Bill Armstrong conducted by Anthony Robone on February 20, 1979 for the Ralph Roske Oral History Project on Early Las Vegas. In the interview, Armstrong discusses his time bootlegging in Kentucky before arriving in Las Vegas, Nevada, his involvement with the Las Vegas dealers, and the weather as it relates to other parts of the country. He also discusses the impacts of the work of Howard Hughes on the town, the construction of Hoover Dam, the above-ground atomic testing, the growth of Las Vegas and tourism, changes in gambling habits for the next generation, and the social and recreational activities of residents.

Oral history interview with Bren Armstrong conducted by an unknown collector on May 28, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. This interview covers local politics and local newspapers, such as The Las Vegas-Review Journal. Armstrong also mentions the local education system, employment opportunities in Nevada, Block 16, Boulder (Hoover) Dam, and the Westside. The interview concludes with a discussion on Hank Greenspun, the publisher of the Las Vegas Sun newspaper.

Oral history interview with Anne Victoria Baker conducted by Blanche Uekling on March 31, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. Baker discusses her personal history and Hoover (Boulder) Dam.

Oral history interview with Ethlyn Barneby conducted by Claytee White on October 16, 2002 for the Boyer Early Las Vegas Oral History Project. During this interview Barneby discusses her experiences as a resident of Boulder City, Nevada during the 1940s. Barneby also discusses life with her husband, a member of the National Guard, and her husband’s employment as an operator for the City of Los Angeles, California during the construction of the Hoover Dam. She also describes their experiences moving back and forth between Boulder City and Los Angeles as well as the growth of Boulder City in relation to Las Vegas, Nevada.

The Robert E. "Spud" Lake Photographs depict "Spud" Lake, his family, and Las Vegas, Nevada from 1905 to 1947. The photographs include the Las Vegas town site auction, Stewart (Kiel) Ranch, Clark County Courthouse, Eglington Ranch, Helldorado Parade, and Colorado River and the Hoover (Boulder) Dam. The photographs also depict a Las Vegas Chamber of Commerce luncheon honoring Las Vegas pioneers, the Gold Bar Club tent in Pahrump, Nevada, and Fremont Street in Las Vegas.

The Union Pacific Railroad Photographs depict the Union Pacific Railroad Company's tracks, depots, locomotives, and stations in Southern Nevada and Southern California from 1904 to 1973. The photographs primarily depict Union Pacific officials in Las Vegas, Nevada, construction of Boulder City, Nevada and the Hoover (Boulder) Dam, hotels and casinos in Las Vegas, and the aftermath of flooding in 1938 that damaged Union Pacific tracks.

The Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada depict the construction of the Hoover (Boulder) Dam and the development of Boulder City, Nevada from 1869 to 1974, with a bulk of the materials dating from 1929 to 1940. The photographs primarily depict the construction operations in Black Canyon, including digging tunnels, pouring concrete, building the power plant, and inspections by Bureau of Reclamation engineers. The photographs also depict Boulder City, including schools, workers, and dormitories. The collection also includes photographs of St. Thomas, Nevada, Lake Mead, Nelson’s Landing, Nevada, and an archaeological excavation near Lake Mohave, Nevada.