Papers, 1953-2008, compiled and written by Larry Chabot, document the history of the White Pine Copper Company located in Ontonagon County and operated by the Copper Range Company. Includes newspapers, clippings, photocopies, newsletters, reports and correspondence related to the history of the White Pine Copper Company from the time the mine opened in 1953 to its closure in 1995.

Collection, 1853-1978, of the St. Mary's Canal Mineral Land Company of Boston, Massachusetts, a land holder with mineral rights on property along the Lake Superior copper region. Includes correspondence, financial records, land deeds and holdings, field journals and reports. Material in this collection complements material in the Copper Range Company Collection.