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by: Roger W. Brucker · Professor Richard A. Watson Ph.D.Paperback details (USA). details (United Kingdom). details (Germany). details (Canada). ISBN: 978-0-8093-1322-8 ISBN-10: 0-8093-1322-7 |
| See also: | ||
| 1987 | Hardcover | The Longest Cave |
| 1976 | Hardcover | The longest cave |