ISBN 9780813741161 books & textbook
Humans As Geologic Agents (Reviews in Engineering Geology, 16)
Ehlen, Judy Haneberg, William C. Larson, Robert A.
Geological Society of Amer /2006-03-30 Paperback / 158 Pages
isbn-10: 0813741165 / isbn-13: 9780813741161
