U.S. Geography

What rock was adopted as Missouri's official state rock in 1967?

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Which of these rivers flows through Oregon?
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Each October, Albuquerque, New Mexico hosts the world's largest international event with what theme?
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What hurricane struck southeastern Louisiana in late August of 2005?
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Bemidji and Duluth are in what state?
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What Nebraska landmark was most often mentioned in journal entries by travelers on the Oregon Trail?
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What is Vermont's longest river that lies entirely within the state?
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In 1865 Missouri became the first slave state to do what?
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Where is Radio City Music Hall located?
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