Derbyshire sump index.
3rd ed. / revised by Trevor D. Ford and Jerry D. Murland.
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Author
Contributions
- Murland, Jerry D. - Contributor
- Cave Diving Group. - Contributor
Publication
1980 - Cave Diving Group, Bristol (c/o O.C. Lloyd, Withey House, Withey Close West, Bristol BS9 3SX), United Kingdom
Language
English
Word Count
10,250 words, Guess
Page Count
41 pages
Identifiers
- Open LibraryOL20566679M
Classifications
- DDC796.5/25
Subjects
Topics
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