Copper Harbor, Michigan store ledgers, 1864-1878. The contents of this collection include nine (9) store ledgers documenting the purchase and account balances for merchandise purchased by mining companies at general and specialized stores in Copper Harbor, Michigan. Includes ledgers for the Star Mine, Clark Mine, and Copper Harbor Copper Company. Among the material are letters from Copper Harbor Copper Company Clerk, Charles M. Evans, to the company treasurer, account balances, voucher sheets, and expenditures; as well as accounts for purchases at the Clark Mine butcher shop.