U.S. Geography

What is the longest river that lies entirely within the state of Ohio?

More Questions from U.S. Geography
What is the two-letter postal abbreviation for the state of Colorado?
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What is the only natural lake in the state of Texas?
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Which university is located in Rhode Island?
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Each October, Albuquerque, New Mexico hosts the world's largest international event with what theme?
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Which of these US states does not border Mexico?
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Which tribes inhabited the southeastern parts of what is now Louisiana?
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The original name of the settlement that became St. Paul, Minnesota involved which animal's eye?
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Which is the highest mountain in New England?
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