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 Lincoln County Museum Photograph Collection contains photographs of towns, railroads, and mining operations in Lincoln County, Nevada from 1870 to 1953. The photographs primarily depict mines and railroads in Pioche, Caliente, Bullionville, and Panaca from 1900 to 1908 during part of Nevada’s mining boom. The photographs also depict Paiute workers, horse freight teams, geographical landmarks, and students in Lincoln County.

The Nye County, Nevada Photograph Collection contains photographs from Nye County, Nevada from 1880 to 1990. The collection includes a wide variety of photographs that document the activities, landmarks, geographical features, towns, ranches, and families of Nye County. The collection covers the areas of Amargosa Valley, Ash Meadows, Beatty, Duckwater, Gabbs, Goldfield, Kawich Mountains, Manhattan, Pahrump, Round Mountain, Rhyolite, Smoky Valley, Springdale, Tecopa, Tonopah, and Twin Springs. The activities documented include mining, prospecting, herding animals, schooling, ranching, building construction, railroad construction, and hunting and fishing.

The Maurine and Fred Wilson and Dr. William S. Park Photograph Albums (1900-1930s) consist of twelve albums containing black-and-white photographic prints and three black-and-white photographic negatives. The photographs are primarily related to the families of William S. Park, John S. Park, and Fred and Maurine Hubbard Wilson. Included are images of the Park homes in Las Vegas, Nevada; Park and Wilson family members; scenes of early Las Vegas, Nevada; outdoor activities, and vacation trips to California, Colorado, and Mexico.

Oral history interview with Sarann Knight Preddy, Elizabeth Warren, and Woodrow Wilson conducted by Porter Troutman on July 19, 1977 for the Ralph Roske Oral History Project on Early Las Vegas. In this forum, Knight, Warren, and Wilson discuss the history of West Las Vegas, Nevada. Knight recalls arriving to Las Vegas in 1942 and describes the African American experience at that time. She talks about being the first woman of color to receive a gaming license, dealing cards, and the city ordinance which banned African American dealers. Wilson remembers the living conditions before federal housing and race restrictive covenants in housing. Then, Warren talks about the city's early years, the history of discrimination against African Americans in the city, and the significance of the railroad in Las Vegas. The group answers questions asked by audience members throughout the duration of the forum.

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.

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.