1. U.S. Fish and Wildlife Service; National Elk Refuge; PO Box 510 Jackson WY 83001 USA
2. U.S. Geological Survey; Northern Rocky Mountain Science Center; 2327 University Way, Suite 2 Bozeman MT 59715 USA
3. U.S. Fish and Wildlife Service; Red Rock Lakes NWR; 27650B South Valley Rd. Lima MT 59739 USA
4. National Park Service; Grand Teton National Park; PO Drawer 170 Moose WY 83012 USA
5. Wyoming Game and Fish Department; PO Box 67 Jackson WY 83001 USA
6. Department of Natural Resource Ecology and Management; Iowa State University; 339 Science Hall II Ames IA 50011 USA
7. Western Ecosystems Technology, Inc.; 200 South 2nd Street Laramie WY 82001 USA