1. Oregon State University; Department of Fisheries and Wildlife 104 Nash Hall; Corvallis OR 97331 USA
2. University of Idaho; Department of Fish and Wildlife; P.O. Box 44136 Moscow ID 83844 USA
3. New Mexico Department of Game and Fish; 202 County Road 3 Texico NM 88135 USA
4. Oklahoma Department of Wildlife Conservation; 3014 Lakeview Drive Woodward OK 73180 USA
5. Kansas Department of Wildlife, Parks and Tourism; 1830 Merchant Street Emporia KS 66801 USA
6. Texas Parks and Wildlife Department; Wildlife Division; P.O. Box 659 Canyon TX 79015 USA