Depths of the Earth: Caves and Cavers of the United States

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Harper & Row, 1966 - Caves - 398 pages
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Review: Depths of the Earth: Caves and Cavers of the United States

User Review  - Critter Reyome - Goodreads

This is one of those books you should be very, very careful about reading. If you have a yen for the unknown, you enjoy the outdoors, and you're at all curious, Halliday's work may rope you (pun very ... Read full review

Contents

THE TOUGHEST CAVE
19
THE ETERNAL STANDARD
34
IN A LONELY SANDSTONE CAVE
52
Copyright

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