The mining series (1902-1998) documents the family’s mining interests and records. The series focuses on the family’s involvement in Nevada mines, such as the Yellow Pine Mining Company, the Root Zinc Mining Company, and the Columbia, St. Anthony, and St. Patrick mines, which include surveys, field notes, patents, journals, ledgers, maps of the mining sites, and correspondence. The series also contains similar documents for various mines and potential mining sites, as well as the family’s legal files.