Affiliation: | Klamath Center for Conservation Research , P.O. Box 104, Orleans, CA 95556, U.S.A., email; Turner Endangered Species Fund , 1123 Research Drive, Bozeman, MT 59718, U.S.A.; U.S. Environmental Protection Agency , Western Ecology Division, Corvallis, OR 97333, U.S.A.; Yellowstone Center For Resources , Yellowstone National Park, P.O. Box 168, Mammoth, WY 82190, U.S.A. |