The Chester Longwell Photograph Collection consists of 608 black-and-white photographic prints dating from approximately 1910 to 1930. The images primarily depict the Longwell family's excursions in the Southern Nevada region, primarily to Mount Charleston, Nevada. Also included are images of Southern Nevada mines and mining towns, as well as Pubelo Grande de Nevada, the Lost City. The remaining images depict geological formations and features, as well as forestry and nature scenes in Nevada and Arizona.

Oral history interview with Russell K. Grater conducted by Frederick Dougan on February 10, 1977 for the Ralph Roske Oral History Project on Early Las Vegas. Grater first talks about his move to the Southern Nevada area and his work that impacted the Hoover (Boulder) Dam project. He then talks about the town of St. Thomas, Nevada, the Lost City, and the activities of tourists. Grater also talks about his work in excavation, the indigenous American Indian tribes of the area, findings on petroglyphs, and the types of wildlife that were found in the area. He later talks about findings related to fossils, gold mining, the effects of World War II on the Hoover Dam project, and vegetation in the area.