Friday, August 22, 2008

Jewel Cave South Dakota






This is the second longest cave in the world about 150 miles of caves and they are not thru exploring it. Just an incredible morning. Only about 15% of the cave yet explored
1 Map of the existing known caves
2 Crystals in the cave
3 Bacon Crystal
4 Flow of calcium carbonate in the cave
5 Ceiling crystals

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