Northern sump index 2015
Auteur(s) : Elaine Hill & Andrian Hall - Cave Diving Group - 2015
The Cave Diving Group was founded in 1946 and has a history that CDG members are justifiably proud of. The Cave Diving Group sump indexes are supplementary to the regional caving guides and an invaluable resource and essential reference guide for any UK trained cave diver, researcher or even dry caver looking to better understand the hydrology of British caves. The sump indexes are compiled from many years of exploration reports from CDG members and other contributors. - 191 pages: some maps + 8 extra maps; A4. Genre : livre neuf Prix : 42.00 €
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