1. U.S. Fish and Wildlife Service, P.O. Box 25486, Denver Federal Center, Denver, CO 80225 U.S.A.
2. Washington Department of Fish and Wildlife, 600 Capital Way N., Olympia, WA 98501-1091 U.S.A.
3. Owyhee Desert Studies, 18109 Briar Creek Road, Murphy, ID 83650 U.S.A.
4. U.S. Geological Survey, Forest and Rangeland Ecosystem Science Center, 970 Lusk Street, Boise, ID 83706 U.S.A.
5. Draper Natural History Museum, Buffalo Bill Center of the West, 720 Sheridan Avenue, Cody, WY 82414 U.S.A.
6. U.S. Fish and Wildlife Service, P.O. Box 2530, Corvallis, OR 97339 U.S.A.
7. U.S. Fish and Wildlife Service, 5353 Yellowstone Road, Suite 308A, Cheyenne, WY 82009 U.S.A.
8. 4764 W 3855 S, West Valley, UT 84120 U.S.A.
9. Craighead Beringia South, P.O. Box 147, Kelly, WY 83011 U.S.A.