U.S. Geography

In which U.S. state includes the cities of Columbus, Cleveland, Cincinnati and Dayton?

More Questions from U.S. Geography
What river's name changes pronunciation only when it passes through Kansas?
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Gerald R. Ford International Airport is located in what U.S. city?
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A museum in Branson, Missouri is dedicated to the famous wreck of which ship?
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Which is the capital of the U.S. state of Oregon?
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What did William Mulholland complete in Los Angeles in 1913?
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Where can you find Independence Rock?
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What famous building is located at 210 South Canal Street in Chicago?
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Delaware State University is located?
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