Collection, 1897-1956, of Edwin J. Collins, a veteran of the Spanish-American War, a 1903 graduate of the Michigan College of Mines (later Michigan Technological University) and eventual member of the board of directors for the Calumet and Arizona Mining Company. Includes diaries, photographs, textbooks, instruments and mine maps of properties he worked on as well as several souvenir spoons and service medals from the Spanish-American War.

Records, 1976-1982, of the Superior Foods Cooperative Inc. in Ahmeek, Michigan. Includes organizational records, financial records and newsletters from Superior Foods as well as records from other cooperatives in the area. Includes bylaws, stock certificates, membership information, order forms and newsletters from Common Health Warehouse Cooperative Association in Duluth, Minnesota, their food supplier, and newsletters from the Keweenaw Cooperative Inc. in Hancock, Michgan.