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The Ohio River is a 981-mile-long (1,579 km) river in the United States. It is located at the boundary of the Midwestern and Southern United States, ...
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The Ohio River is the one of the most important tributaries to the Mississippi River. It is 981 miles long and it forms boundaries for the states of Ohio, ...
Direct and indirect tributaries of the Ohio River in the United States. The river is formed by the confluence of the Allegheny and Monongahela rivers at ...