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Lechuguilla Cave: Discoveries...
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The Complete Caving Manual
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Thirteen Lessons That Saved...
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Reef Smart Guides Florida:...
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Thirteen Lessons That Saved...
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Beyond Mammoth Cave: A Tale...
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Under the Surface: Unlocking...
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Hidden Realms: A celebration...
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Cave Story
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Beyond Mammoth Cave: A Tale...
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Spelunking: Underground...
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Cave Explorations in Missouri...
Gerard Fowke
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Cave Exploring: The...
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Trapped in a Cave!: A True...
Deborah Morris
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The Art of Caving
Linda Heslop
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Adventure of Caving: A...
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Gaping Gill
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