Otsego County Chamber of CommerceCoon, GeorgeMichiganDepartment of ConservationMichigan State College. Conservation InstituteOtsego County Road CommissionOtsego Land Use Planning CommitteeExtent: 1 map Notes: Map shows both Au Sable State Forest and Pigeon River State Forest, as compared to (presumed) earlier version showing Pigeon River State Forest only.Promotional text, indexed directory of lakes, list of trout streams, and illustrations on verso.TIFF/JPEGoai:d.lib.msu.edu:maps_1135https://n2t.net/ark:/85335/m5833qq91engOtsego County Chamber of Commerce, IncPublicOutdoor recreationPlace marketing literatureRecreation map of Otsego CountyMapsMichigan--Otsego CountyMichigan19xxMichigan State University