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Mammoth Cave



Mammoth Cave, limestone cavern about 85 mi (137 km) southwest of Louisville, Ky., containing a series of vast subterranean chambers. It includes lakes, rivers, stalactites, stalagmites, and formations of gypsum crystals. The mummified body of a pre-Columbian man has been found there. It is part of Mammoth Cave National Park.



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21st Century Webster's Family Encyclopedia21st Century Webster's Family Encyclopedia - Lyon, Mary to Manu