Caves and Karst of the USA
A guide to the significant cave and karst areas of the United States of America
with a 67 page coverage of neighboring countries and regions: Canada, Mexico, Bahamas, Bermuda and the Caribbean islands, including the Commonwealth of Puerto Rico
(2009) VIII + 446 p., 990 fig., col., 278×216 mm.
Ed. Arthur N. Palmer. Margaret V. Palmer
Publicato da: National Speleological Society, Inc. Albama (http://www.caves.org/)
ISBN: 9781879961289