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Ohio

(Encyclopedia) Ohio, river, 981 mi (1,579 km) long, formed by the confluence of the Allegheny and Monongahela rivers in SW Pa., at Pittsburgh; it flows northwest, then generally southwest to ent...

Ohio Overview

(Encyclopedia) Ohio, midwestern state in the Great Lakes region of the United States. It is bordered by Pennsylvania (NE), West Virginia (SE) and Kentucky (S) across the Ohio River, Indiana (W), and Michigan ...

Ohio Company

(Encyclopedia) Ohio Company, organization formed (1747) to extend settlements of Virginia westward. The members were mostly Virginia planters interested in land speculation and the fur trade. A royal charter ...

Ohio University

(Encyclopedia) Ohio University, main campus at Athens; state supported; coeducational; chartered 1804, opened 1809 as the first college in the Old Northwest. There are additional campuses at Chiillicothe, Lan...

Ohio and Erie Canal

(Encyclopedia) Ohio and Erie Canal, former waterway of Ohio, 307 mi (494 km) long, between Lake Erie at Cleveland and the Ohio River at Portsmouth; built 1825–32. It utilized part of the courses of the Cuya...

Ohio State University

(Encyclopedia) Ohio State University, main campus at Columbus; land-grant and state supported; coeducational; chartered 1870, opened 1873 as Ohio Agricultural and Mechanical College, renamed 1878. There are a...

Ohio Company of Associates

(Encyclopedia) Ohio Company of Associates, organization for the purchase and settlement of lands on the Ohio River, founded at Boston in 1786. Its organizers were a group of New England men, most of them form...

Chesapeake & Ohio Railway

(Encyclopedia) Chesapeake & Ohio Railway (C&O), former U.S. transportation company with railroad lines in eight states, Washington, D.C., and Ontario, Canada. Founded as the Louisa RR Company in Virgi...

Mapp v. Ohio

(Encyclopedia) Mapp v. Ohio, case decided in 1961 by the U.S. Supreme Court. Dollree Mapp was convicted in a state court of possessing pornographic material in violation of Ohio law. Her conviction was obtain...

Chesapeake and Ohio Canal

(Encyclopedia) Chesapeake and Ohio Canal, former waterway, c.185 mi (300 km) long, from Washington, D.C., to Cumberland, Md., running along the north bank of the Potomac River. A successor to the Potomac Comp...