The records of the Option Mining Company span the years 1925 to 1951, with the bulk of the material covering the years 1925 to 1928. 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 Strattons Mines Company.