Oral history interview with James W. Ault conducted by Patricia K. Kohlman on November 06, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. Ault discusses the history of Las Vegas, Nevada from 1940 to 1975 and his career as a railroad engineer.

The First Methodist Church Photograph Collection (approximately 1909-1912) contains black-and-white photographic prints and corresponding negatives of the Las Vegas train depot, railroad yards, and the First Methodist Church in Las Vegas, Nevada. Also included are portraits of Reverend Edwin A. Palmer and his family.

Oral history interview with Lawrence Nelson conducted by John Turner on February 22, 1977 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Nelson discusses the history of early Las Vegas, Nevada. He talks about the Old Mormon Fort, the importance of railroads in Las Vegas, and the construction of the Boulder (Hoover) Dam.

Oral history interview with Frank Scott conducted by Richard Lloyd Pipkins on January 23, 1978 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Scott discusses the history of Las Vegas, Nevada since the 1930s. He talks about the changes in crime, people settling in the city, and the railroad history of Las Vegas.

Oral history interview with Mary Noblitt conducted by Mary Sawdey on March 13, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. Noblitt discusses moving to Las Vegas, Nevada and building housing in the southern part of town. Noblitt goes on to discuss communication through railroad and morse code. Lastly, Noblitt discusses the above ground atomic tests.

Oral history interview with Alfred J. Brimacombe conducted by Stephen S. Neal on July 02, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. Brimacombe shares his personal history and recalls working as a train hostler. He later discusses his involvement in newspaper printing. Brimacombe lastly discusses politics, early-above ground atomic tests, and economic changes throughout Las Vegas, Nevada.

The Ray Tutaj Jr. and Harv Kahn Photographs (approximately 1990-2009) contain photographs and videos taken by Ray Tutaj Jr. and Harv Kahn of the Union Pacific Railroad and trains throughout Las Vegas, Nevada and the southwest region. Tutaj and Kahn were friends who were railroad enthusiasts and hobbyist photographers. Materials include photographic negatives and prints as well as digitized photographs.