United States (USA) - Michigan - counties of Alcona; Alpena; Arenac; Bay; Cheboygan; Chippewa; Clinton; Crawford; Genesee; Gladwin; Gratiot; Hillsdale; Huron; Ingham; Iosco; Jackson; Lapeer; Lenawee; Livingston; Macomb; Midland; Monroe; Montmorency; Oakland; Ogemaw; Oscoda; Otsego; Presque Isle; Roscommon; Saginaw; Sanilac; Shiawassee; St Clair; Tuscola; Washtenaw; Wayne.

@misc{26801_area_of_use
author=geoepsg_dataset Contributors",
title="United States (USA) - Michigan - counties of Alcona; Alpena; Arenac; Bay; Cheboygan; Chippewa; Clinton; Crawford; Genesee; Gladwin; Gratiot; Hillsdale; Huron; Ingham; Iosco; Jackson; Lapeer; Lenawee; Livingston; Macomb; Midland; Monroe; Montmorency; Oakland; Ogemaw; Oscoda; Otsego; Presque Isle; Roscommon; Saginaw; Sanilac; Shiawassee; St Clair; Tuscola; Washtenaw; Wayne.",
"url="http://www.opengis.net/def/crs/EPSG/0/26801_area_of_use",
note="[Online; documentation generated at 2025-10-19]"}