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by Stormy on July 25, 2007 It's the longest known cave in the world, now spanning 367 miles of Kentucky's Karst. Mammoth Cave is indeed the type of a cave system that legends are written about. Read the entire story. |
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| A group of tourists looks at the saltpeter mining operation in the Mammoth Cave Rotunda. (taken by Max on July 25, 2007) |
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