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The river that is formed where the Allegheny and Monongahela meet is the Ohio
The Ohio River
Pennsylvania
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Ohio is the closest state to the Ohio River that's why it is called the Ohio River.
The Ohio River
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Type your answer here... what is the water temp in the ohio river at evansville indiana
The Ohio River forms Ohio's southern border.
Ohio River is a very important river in ohio
The Ohio River and Ohio River Valley boarder the southern part of Ohio.
Ohio