U.S. Geography

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

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Which service was first established in Cincinnati in 1865?
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Which of these American cities is closest to the Rocky Mountains?
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Which coast of Florida has the most lighthouses?
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When was Grauman's Chinese Theatre declared a historic-cultural landmark?
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In 1750, Boston Puritans prohibited what activity?
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Named after the Missouri Indian tribe, what does "Missouri" mean?
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What waterfall in North Carolina is the highest waterfall in the eastern United States?
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The first example of which classic toy was sold in a Brooklyn toy store in 1902?
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