1. Caving in America: The Story of the National Speleological Society
by Paul H Damon Sr ed 
Price: USD 29.95
Dealer: Abebooks, Amusespot
Description: ISBN10: 0961509376, ISBN13: 9780961509378, [publisher: Natl Speleological Society] Hardcover Minor shelf wear [Henderson, NV, U.S.A.] [Publication Year: 1991]  

2. CAVING in AMERICA: the STORY of the NATIONAL SPELEOLOGICAL SOCIETY
by DAMON Paul 
Price: USD 38.06
Dealer: Biblio, 02/2006
Description: Huntsville, Alabama * * * * * : Natl Speleological Society, Date: 1991. Hard Cover. Fine/Fine. B00K: Fine/, 1991 . B00K: Fine/, $62.95. Glossy Black Spine With Title In Off~ Red/Orange, Dust Jacket: Fine/, Glossy Finish Shows Shelf Ware And Edge Ware. Hard Cover B00k: Fine/, Slight Shelf Ware, Lightly Read, Pages Are UnMarked, Clean and Tight To the Spine, Two Bottom Corners Have Had A Small Bump. = = Description Applies To This B00K, Only. Which Has A Special Significance, Is Hard To Find, Will Be Packaged And Shipped = Carefully, To Avoid Shipping Damage And Will Make It, An Excellent Addition To Your Own Personal Library Collection, Or As A Gift, For The Discriminating Reader / Collector. = WORLD WIDE SHIPPING, AVAILABLE. = 1991. Natl Speleological Society ISBN 0961509376 9780961509378 [US] 

3. CAVING in AMERICA: the STORY of the NATIONAL SPELEOLOGICAL SOCIETY *
by DAMON, Paul 
Price: USD 52.28
Dealer: Abebooks, L. Michael
Description: ISBN10: 0961509376, ISBN13: 9780961509378, [publisher: Natl Speleological Society, Huntsville, Alabama * * * * *] Hardcover B00K: Fine/, $62.95. Glossy Black Spine With Title In Off~ Red/Orange, Dust Jacket: Fine/, Glossy Finish Shows Shelf Ware And Edge Ware. Hard Cover B00k: Fine/, Slight Shelf Ware, Lightly Read, Pages Are UnMarked, Clean and Tight To the Spine, Two Bottom Corners Have Had A Small Bump. = = Description Applies To This B00K, Only. Which Has A Special Significance, Is Hard To Find, Will Be Packaged And Shipped = Carefully, To Avoid Shipping Damage And Will Make It, An Excellent Addition To Your Own Personal Library Collection, Or As A Gift, For The Discriminating Reader / Collector. = WORLD WIDE SHIPPING, AVAILABLE. = [North Hollywood, CA, U.S.A.] [Publication Year: 1991]  

4. Caving in America: the Story of the National Speleological Society, 1941-1991: Commemorating 50 Years of History and Growth: Including a
by Damon, Paul H. (Editor) 
Price: USD 95.00
Dealer: Alibris, Adkins Books via Alibris
Description: National Speleological Society, Incorporated 1991 Unabridged. Hard cover Very good in very good dust jack 

5. Caving in America: The Story of the National Speleological Society, 1941-1991: Commemorating 50 Years of History and Growth: Including a
by Damon, Paul H. (Editor) 
Price: USD 95.00
Dealer: Abebooks, Adkins Books
Description: ISBN10: 0961509376, ISBN13: 9780961509378, [publisher: National Speleological Society, Incorporated] Hardcover Very good in very good dust jack [Chattanooga, TN, U.S.A.] [Publication Year: 1991]