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Drawn to the Deep: The Remarkable Underwater Explorations of Wes Skiles
University Press of Florida (9780813056982)
Encyclopedia of Caves
(9780123838322)
Pennsylvania Caves and Other Rocky Roadside Wonders
(9780811726320 / 0811726320) - Caving & potholing - Stackpole Books - ISBN: 9780811726320 - Pages: 224 pages
Selected Caves of Britain and Ireland
(9781871890433)
Underwater Potholer: A Cave Diver's Memoirs
Whittles Publishing (9781849951586 / inc. 16pp colour section illustrated wit) - Memoirs - Paperback / softback - Whittles Publishing - ISBN: 9781849951586 - Publication date: 24/06/2015
The Caves of Northumberland
(9781910758434) - Category: Walking, hiking, trekking - Paperback / softback - Stobart Davies Ltd - ISBN: 9781910758434 - Pages: 144 pages, 45 b/w and 6 maps - Publication date: 18/03/2019