U.S. Geography

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

More Questions from U.S. Geography
How many Army bases were there in Alaska, as of the year 2000?
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What river is located in southeastern Tennessee?
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What is considered Vermont's first permanent settlement?
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What state would you find the capital city of Concord?
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What is the nickname given to the city of Boston?
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Which city is in West Texas on the Rio Grande?
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Which company has its world headquarters in Oregon?
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What was South Dakota's first permanent settlement, founded in 1817?
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