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bobc4: A crack in the earth
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bobc4: Hamilton Cave
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bobc4: Shelter Cave
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bobc4: Blankenship Cave
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bobc4: Fishing Springs Cave
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bobc4: Fishing Springs
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bobc4: Mud River Cave
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bobc4: Subway Falls
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bobc4: Hamilton Cave
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bobc4: under the icicles
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bobc4: Pratt Spring Cave panorama
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bobc4: Hall of Stone
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bobc4: cave plant
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bobc4: Greens Cave
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bobc4: Hamilton Cave
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bobc4: Hamilton Cave
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bobc4: ice mushrooms
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bobc4: ice stalagmites
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bobc4: Powder Mill Cave
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bobc4: Powder Mill Cave spring branch
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bobc4: Powder Mill Cave spring branch
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bobc4: "Roaring Spring" Cave
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bobc4: The Gulf
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bobc4: Vilander Bluff Cave