1. Wildlife Cooperative Research Unit; University of Montana; Missoula MT 59812 USA
2. Colorado Parks and Wildlife; 415 Turner Drive Durango CO 81303 USA
3. U.S. Geological Survey; Wildlife Cooperative Research Unit; University of Montana; Missoula MT 59812 USA
4. Idaho Department of Fish and Game; P.O. Box 25 Boise ID 83707 USA
5. Montana Fish, Wildlife, and Parks; 1420 E. 6th Ave. Helena MT 59620 USA
6. Wildlife Biology Program; University of Montana; Missoula MT 59812 USA
7. U. S. Geological Survey; Wyoming Cooperative Fish and Wildlife Research Unit; Department of Zoology and Physiology; University of Wyoming; Laramie WY 82071 USA
8. Oregon Department of Fish and Wildlife; 1401 Gekeler Lane La Grande OR 97850 USA
9. U.S. Geological Survey- Utah Cooperative Fish and Wildlife Research Unit; College of Natural Resources; Utah State University; Logan UT 84341 USA
10. Utah Division of Wildlife Resources; Salt Lake City UT 84114 USA
11. Washington Department of Fish and Wildlife; 1701 S 24th Ave Yakima WA 98902 USA
12. Centre d'étude de la fôret; Laval University; Quebec QC G1K 7P4 Canada
13. Western Ecosystems Technology, Inc.; 200 South 2nd St. Laramie WY 82070 USA
14. Yellowstone Center for Resources; P.O. Box 168 Officer's Row Bldg 27 Yellowstone National Park WY 82190 USA