Atlas of Early Michigan's Forests, Grasslands, and Wetlands by Dennis A. Albert and Patrick J. Comer, cartography by Helen Enander, 2008, Shelf: F. Reading Room Book Shelf, 00000-RRBooks. University Archives and Historical Collections. https://findingaids.lib.msu.edu//repositories/2/archival_objects/283538 Accessed February 25, 2025.