the change in the Aspen Canopy over time
of wolves and elk, taken in Yellowstone National Park.
aspen conditions in other areas of the western U.S.
Sustaining Aspen in Western Landscapes
Field Trip, June 14, 2000.
Support for the Leopold site is provided by: Dept. of Forest Resources, OSU,
280 Peavy Hall, Corvallis, OR 97331.
phone: 541-737-4951 | fax: 541-737-3049
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