Caving & potholing
Griffith Cary J.:
Opening Goliath
Danger And Discovery In Caving
Minnesota Historical Society Press,U.S. (United States), 2009
Hardback, 294 pages
Yonge Charles J.:
Under Grotto Mountain
Rat's Nest Cave
Rocky Mountain Books,Canada (Canada), 2007
Paperback, 144 pages
Patrick K.:
Pennsylvania Caves And Other Rocky Roadside Wonders
Stackpole Books (United States), 2004
Paperback, 224 pages
Marbach George, Tourte Bernard:
Alpine Caving Techniques
A Complete Guide To Safe And Efficient Caving
Translator: Melanie Alspaugh
Speleo Projects,Switzerland (Switzerland), 2002
Hardback, 320 pages
Sparrow Andy:
The Complete Caving Manual
The Crowood Press Ltd (United Kingdom), 2009
Paperback, 192 pages
Boga Steven:
Caving
Stackpole Books (United States), 1997
Paperback, 207 pages




