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Using 4,000 instruments spread over 3.8 million miles, scientists take the deepest, most detailed look ever at the epic forces that forged North America. They are learning that everything they thought they knew...is wrong.
Using 4,000 instruments spread over 3.8 million miles, scientists take the deepest, most detailed look ever at the epic forces that forged North America. They are learning that everything they thought they knew...is wrong.
