The Dorothy Ray Photograph Collection on Southern Nevada, approximately 1900-1946, depicts infrastructure in Caliente, Nevada in the early to mid-twentieth century. The collection also contains images of a flash flood that occurred in 1905 in Carp, Nevada and Stine, Nevada that washed away roads and railroad tracks. This collection provides historical documentation about early to mid-century Caliente, Nevada.

Oral history interview with John H. Pappas conducted by James Greene on October 04, 1974 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Pappas describes coming to the United States during the early twentieth century, eventually making his way to Nevada in 1904. Pappas discusses working for the San Pedro, Los Angeles & Salt Lake Railroad Company helping to build the railroad from Caliente, Nevada to Las Vegas, Nevada. Pappas later discusses leaving Nevada, then returning to help build the Hoover (Boulder) Dam, before leaving due to the extreme heat. Pappas describes his personal history in Las Vegas, the city's changes, and opening his own restaurant.