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| | National Park Service's World Heritage Sites: Mammoth Cave National Park, Kentucky |
 | | Mammoth Cave is the most extensive cave system in the world, with more than 365 surveyed miles of cave passageways, perhaps as much still to be discovered. |
 | | The flora and fauna of Mammoth Cave is the richest cavernicolous wildlife known; of the more than 130 species documented in the cave, 12 are eyeless, unpigmented cave dwellers such as fish, crayfish, beetles, and harvestmen. |
 | | Outside the cave, the karst topography is superb, with fascinating landscapes, luxuriant vegetation, and abundant wildlife; all of the features of a karst drainage system - vast recharge area, complex network of underground conduits, sinkholes, cracks, fissures, and surface and underground springs - are found within the site. |
| www.cr.nps.gov /worldheritage/mammoth.htm (207 words) |
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