The Las Vegas and Tonopah Railroad Blueprints consists of twenty-four of the original thirty blueprints as part of the Interstate Commerce Commission (I.C.C.) Valuation Index Section I. They are labeled "Right-of-Way & Track Map, Las Vegas & Tonopah Railroad" and dated June 30, 1915. The blueprints contain four miles of railroad lines per sheet with a scale of 6 3/4 inches per mile. The collection also includes one sheet from the Bullfrog Goldfield Railroad company, which used the track, yard, and facilities of the Las Vegas and Tonopah and Railroad company between Beatty and Goldfield, Nevada.

Oral history interview with Jackie Abell conducted by Robert Stuart on April 03, 1976 for the Ralph Roske Oral History Project on Early Las Vegas. Jackie Abell (b. 1924) discusses her experiences growing up in Virginia City, Reno, and Overton, Nevada. She specifically discusses her experiences growing up on a ranch, railroading, above ground atomic testing, flooding, and wild animals.

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.

Oral history interview with Carrie Christensen and Orien “Buster” Stevens conducted by Bernard Timberg on February 04, 1974 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Christensen and Stevens discuss segregation in Boulder City, Nevada, their interactions with Native Americans, and the Westside community in Las Vegas, Nevada. They also talk about the Union Pacific Railroad, the influx of migrants and growth of churches during World War II. Stevens describes his experience working on Hoover Dam (Boulder Dam) as well as the railroad starting at age fifteen. Christensen discusses her personal life, her religious opinions, and mottos.

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.

The D. C. Frazer Photograph Collection (approximately 1970-1979) consists of six black-and-white photographs of various Tonopah & Tidewater Railroad workers, engine cars, and the repair shop located in Ludlow, California from approximately the 1910s through the 1930s. All photographs are reproductions.

Oral history interview with Marion Earl conducted by Robert Pearce on March 13, 1976 for the Ralph Roske Oral History Project on Early Las Vegas. Earl discusses relocating to Las Vegas, Nevada in 1923, serving as a member of the board of directors for the Chamber of Commerce, and then being elected president of the chamber in 1941. He also discusses being elected justice of the peace in 1934, and serving for two terms.