1. Department of Fisheries and Wildlife Sciences; Missouri Cooperative Fish and Wildlife Research Unit; University of Missouri; 302 Anheuser-Busch Natural Resources Building Columbia MO 65211 USA
2. U.S. Geological Survey; Missouri Cooperative Fish and Wildlife Research Unit; 302 Anheuser-Busch Natural Resources Building Columbia MO 65211 USA
3. Department of Fisheries and Wildlife Sciences; University of Missouri; 302 Anheuser-Busch Natural Resources Building Columbia MO 65211 USA
4. Arkansas Game and Fish Commission; 2 Natural Resources Drive Little Rock AR 72205 USA
5. Missouri Department of Conservation; 3500 East Gans Road Columbia MO 65201 USA
6. Ducks Unlimited; 1 Waterfowl Way, Memphis TN 38120 USA
7. Ducks Unlimited; 1220 Eisenhower Place Ann Arbor MI 48108 USA
8. Upper Mississippi River and Great Lakes Region Joint Venture; U.S. Fish and Wildlife Service; 2651 Coolidge Road, Suite 101 East Lansing MI 48837 USA