Abstract Montana Mining Company Ltd., a British corporation, operated the Drumlummon Mine in Marysville, Montana, from 1882-1911. Records include interoffice correspondence (1893-1905); outgoing correspondence (1893-1904); incoming correspondence (1890-1905); employment records including payroll, contracts, insurance, and inquests (1893-1902); financial records including bank deposits, bills of lading, board register, checkbook, cash accounts, corporate balance sheets, estimates, invoices, operating...