Collection, 1833-1994, bulk 1860-1964, of genealogical and historical materials compiled by June and Richard Ross of Redlands, California. Many of the records provide information concerning individuals of Cornish descent residing in Michigan's Copper Country, while other items are of more historical value. Includes an index to Cornish persons in 1860 in Ontonagon County and declaration of intention records for Keweenaw County from 1904-1914 as well as a 1915 diary excerpt, cemetery listings for the Cliff Mine Cemetery and the St. Joseph's Hospital graveyard, abstracts from The Daily Mining Gazette, and an index to the Keweenaw Historical Society obituaries, among other materials.