The Nevada Consolidated Copper Company Photograph Albums (1906-1907) contain two photograph albums from the mining company's chief engineer's office. The photograph albums include cyanotype and black-and-white photographs depicting the construction of the smelting plant, equipment, railroad, and landscape of Ruth, Nevada.

The Gue Gim Wah Papers (approximately 1940-1985) consist primarily of incoming correspondence (largely written in Chinese) to Gue Gim Wah at the Prince Mine in Pioche, Nevada. Also included are Wah's naturalization certificate, a map of the Prince Mine Bunkhouse, brochure of the Lincoln County Civic Association, and a small amount of photographs including a black-and-white photograph of Gue Gim circa 1940s.