U.S. Geography

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

More Questions from U.S. Geography
What territory, created in 1861, comprised the Dakotas and parts of Wyoming and Montana?
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Which state's motto is "You've got a friend in _"?
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Which Missouri city was the convergence of the Santa Fe and Oregon Trails?
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Which of these is not a real city?
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What Kentucky attraction is the world's longest cave?
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Lewis and Clark's expedition started from which Indiana town?
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If you walked at 3 mph to Las Vegas from Los Angeles how long will it take?
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Which President had a monument erected in a single day in 1827 on a hillside in Boonsboro, Maryland?
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