Author: WAGNER, Frederic H.
Title: Yellowstone's Destabilized Ecosytem: Elk Effects, Science and Policy Conflict.
Description: Oxford University Press, 2006. Hardcover. Very good condition in dustjacket. 371pp. ISBN-10 0195148215 ISBN-13: 9780195148213.

Keywords: conservation united states of america american natural environment environmental policy management history history sociology