Collection, circa 1863-circa 1883, of mining company records compiled by Lawrence J. Remington of Houghton, Michigan. Includes stock certificates, insurance policies, indenture letters, bills and receipts, correspondence, inventories and other printed ephemera from the South Pewabic Copper Company, Sheldon Mining Company of Lake Superior, Columbian Mining Company, Quincy Mining Company and Douglass Houghton Mining Company.