Thirteen Lessons That Saved...
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Exploring Caves: Journeys...
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The Boys in the Cave: Deep...
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Drawn to the Deep: The...
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Cave Story
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Alpine Caving Techniques: A...
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Bernard Tourte
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Lechuguilla Cave: Discoveries...
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The Floyd Collins Tragedy at...
John Benton,
Bill Napper
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The Most Crucial Knots to...
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Caves: An Explorer Travel...
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Great Caves of the World
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Wild Underground: Caves and...
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Opening Goliath: Danger and...
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New Zealand Karst: A voyage...
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Exploring Caves
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Caving
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Caving
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Cave Passages: Roaming the...
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Huautla: Thirty Years in One...
C William Steele
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Gaping Gill
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Caving in America: The Story...
Paul H. Damon (Editor)
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Underground Worlds
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Beneath the Mountains:...
David Rose
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The Great Caving Adventure
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