U.S. Geography

New Jersey has the most dense system of what in the U.S?

More Questions from U.S. Geography
Where is America's "official" Christmas tree?
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Which soft drink was invented in St. Louis?
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What is the state bird and state tree of Ohio?
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The name Texas is from an Indian word meaning what?
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You can find Devil's Tower National Monument at which location?
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What is the capital city of Alaska?
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Which of these states had the fewest people residing within its borders at the start of the 21st century?
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What Californian city was the band Sublime from?
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