The records of the Sherman Lead Mining Company span the years 1918 to 1953, with the bulk of the material covering the years 1929 to 1947. Included are minutes of meetings, financial statements, correspondence with suppliers and stockholders, annual statements and reports to state agencies, stock ledgers and journals, cancelled stock certificates, assessment records, lists of stockholders, financial ledgers and journals, vouchers, check registers, and tax returns.

Related materials can be found in the records of the Sherman Development Company.