Segment 2--Geology of the Marquette Range Supergroup and the Penokean fold belt in northern Michigan. In Early Proterozoic rocks of the Great Lakes region. Edited by G.B. Morey. 28th International Geological Congress guidebook T145, American Geophysical Union, pp. 19-31....
The Lower Peninsula of Michigan and the Western Michigan Dairy Region: A Segment of the American Dairy Regiondoi:10.2307/141176LoyalProfessorDurandProfessorJr.ProfessorInformaworldEconomic Geography