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IU caving club Boone-Cannonball Cave. a hearty group
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Elliot Stahl Boone-Cannonball Cave Ent.
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Bobby Wayne Boone-Cannonball Cave
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Elliot Stahl, Bobby Wayne Boone-Cannonball Cave streamway
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Elliot Stahl, Bobby Wayne Boone-Cannonball Cave streamway
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Elliot Stahl. Boone Cannonball Cave
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Nathan (?) Boone-Cannonball Cave
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Nils Schimmelman Boone-Cannonball Cave flowstone
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Horizontal Caving. Boone-Cannonball Cave. Owen Co, IN. Stream Passage. Sean Lewis