Edited by Art and Peg Palmer, this is the guidebook for the 2009 International Congress of Speleology (ICS) and NSS Convention, and is a guide to the significant cave and karst areas of the US, as well as 67 pages of additional information about the regions and countries neighboring the USA. It is a beautiful compilation of articles from various authors from around the US. Its 445 glossy full- color pages feature maps, compiled research, and more. Edited By Arthur N. Palmer and Margaret V. Palmer, 2009, 445 pages, Softbound.
 "Caves and Karst of the USA BACK ORDER ITEM")
