The C. A. Earle Rinker Photograph Collection of Goldfield, Nevada (approximately 1900-1915) contains individual black-and-white photographic prints, photographic albums, black-and-white and tinted postcards, and photographic negatives that document the history of early twentieth century Goldfield, Nevada. The images include photographic prints of Goldfield and surrounding areas during its peak years of 1906-1910; postcards showing scenes of Goldfield, Tonopah, and other areas in central Nevada; and negatives that contain images of Rinker's family and homelife in Indiana and Illinois.

The Leprechaun Mining and Chemical, Inc. Records from 1954 to 1998 contain business information, Foot Chemical Company partnership documentation, meetings, audit and investment reports, financial papers, and stock certificates and transfers. Also included is data on the minerals mined in Nevada, such as salt, potash, and lithium.