U.S. Geography

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

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Which river forms most of the western border of Louisiana?
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How many children did Paul Revere have?
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Which mountains are located in Virginia?
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The peak of which mountain is Missouri's highest point?
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Nebraska with a land area of 76878 square miles is ranked here compared to other states in total land area?
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Which of these states does not have a coast?
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Which city is located in Washington is also the name of a Toyota pickup truck?
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What is the capital of Texas?
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