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Type: BOOK - Published: 2017-11-20 - Publisher: Springer
The focus of this book is on the more than 2000 caves of the Greenbrier Valley of West Virginia of which the 14 with lengths greater than 10 km have an aggregat
Language: en
Pages: 64
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Type: BOOK - Published: 1973 - Publisher:
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Pages: 476
Type: BOOK - Published: 2015-04-20 - Publisher: Springer
This book highlights some of the most difficult and persistent exploration ever undertaken in the United States – in Burnsville Cove, a small limestone valley