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Crater Three Times Larger Than the Grand Canyon Found in the U.S.Spanning 25 miles in diameter, this crater is three times the size of the Grand Canyon, making it the largest known impact site in the U.S. and the 15th largest on Earth.
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U.S. Crater Three Times the Grand Canyon’s Size Found—How Did We Miss It?Beneath the waters of Chesapeake Bay lies a massive secret that took decades to uncover. What once seemed like a normal ...
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