Oral history interview with J. Harold Tilton conducted by David M. Hollic on February 21, 1972 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Tilton discusses his personal history and moving to Las Vegas, Nevada in 1925. He then describes the development of Las Vegas and recalls the expansion of the city in both the north and west. Lastly, Tilton discusses the construction of homes in undeveloped desert land, as well as environmental and social changes in Las Vegas.

Oral history interview with Frances Moore conducted by Susan Kendall on March 30, 1977 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Moore and her priest discuss their religious affiliations and go through baptism records at their church. Afterwards, Moore describes the history of Las Vegas, Nevada and prominent families in the city as she presents the interviewer her collection of photographs and records.

Oral history interview with Patricia Lappin conducted by Nancy Bright on February 26, 1980 for the Ralph Roske Oral History Project on Early Las Vegas. The interview covers Boulder City, Nevada around Hoover Dam. The two discuss the different gambling habits between Southern Nevada locals and Las Vegas tourists. During the latter half of the interview, the two speak at length about the impact of nuclear waste on Nevada. Lappin explains the unique issues that Southern Nevada faces as one of three states to accept nuclear waste.

Oral history interview with Joan Johnson conducted by Kim Geary on March 25, 1978 for the Ralph Roske Oral History Project on Early Las Vegas. Johnson discusses her personal history and her reasons for originally moving to Las Vegas, Nevada. Johnson recalls early Las Vegas entertainment, as well as the development of businesses and their unions.

Oral history interview with Georgie Clark conducted by Steven E. Pilgram on March 02, 1980 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview Georgie Clark discusses the Colorado River area, its changes, and its new rules and regulations as of March 02, 1980. She also discusses working as a real estate agent and as ferry command civil servant in World War II.

Oral history interview with Ernie Lomprey conducted by Chris Tonemah on July 11, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. Lomprey moved from Wisconsin to Henderson, Nevada in 1949 because his father was stationed at Nellis Air Force Base towards the end of World War II. He discusses his childhood, education, and eventual work as a cement mason and firefighter.

Oral history interview with Luther Pennington conducted by Greg Decker on February 27, 1979 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Pennington discusses working on the trains for the Union Pacific Railroad Company starting in 1927 and explains the various jobs he held on the train. Pennington then describes his position as locomotive engineer and recalls his experiences. Later, he discusses train routes, stations, and the dangers of working aboard a train.