The L. F. Manis Photographs contain photographic prints, photographic slides, and photographic negatives depicting Southern Nevada from approximately 1900 to 1969, with a bulk of the materials dating from 1930 to 1940. The photographs primarily depict the construction, dedication, and various parts of the Hoover (Boulder) Dam, including the dam's upstream and downstream faces, intake towers, spillways, bridges, crest, outlet works, visitors' accommodations, and powerhouse. The photographs also depict Lake Mead, the reservoir created by the Hoover Dam, and the Colorado River, which is dammed by the Hoover Dam. The photographs also include views of desert landscapes in the Southwestern United States, including in Nevada, Arizona, and Southern California. Also depicted in the photographs are the cities of Las Vegas, Nevada and Boulder City, Nevada, including prominent buildings like hotels, casinos, government buildings, and train depots.

The McGriff and DeVinney Family Papers (approximately 1900-1959) contain papers and photographs documenting Francis De Vinney and his wife, Della, who lived in Las Vegas, Nevada in the early- to mid- 20th century. The collection also includes documentation about Della's father, Edwin Guy "E. G." McGriff, an early Las Vegas resident. Materials include photographic prints and albums, business and personal correspondence, and 16mm film.

Oral history interview with Charis Robbins conducted by Steven J. Syzdek on March 17, 1978 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Robbins describes her early life living in various towns in California during the early 1900s, namely Silver Peak, California, before moving to Las Vegas, Nevada in 1943.