Example image of eyePlorer eyePlorer map for 'Ohio': Midwestern United States U.S. state United States Northwest Ordinance Ohio Country Seneca language Aesculus glabra List of Governors of Ohio Ohio General Assembly Supreme Court of Ohio United States House of Representatives Bellwether Swing state Human migration Lake Erie Ohio River Indiana Kentucky Michigan Ontario Pennsylvania West Virginia Enabling Act of 1802 Metes and bounds Supreme Court of the United States Virginia Toledo War Great Black Swamp Glaciated Allegheny Plateau Unglaciated Allegheny Plateau Northern Panhandle of West Virginia Socioeconomics Coal United States Congress Cuyahoga River Great Miami River List of lakes in Ohio Maumee River Muskingum River Scioto River Gulf of Mexico Mississippi River Saint Lawrence River Dayton, Ohio Great Dayton Flood Miami River Miami Conservancy District Canal Grand Lake St. Marys State Park Bluegrass region