1. Wisconsin Department of Natural Resources, Division of Forestry 2801 Progress Road Madison WI 53716 U.S.A.
2. Wisconsin Department of Natural Resources, Division of Fish Wildlife and Parks 141 Northwest Barstow Street Waukesha WI 53188 U.S.A.
3. U.S. Army Corps of Engineers 1325 J Street Sacramento CA 95814 U.S.A.
4. Edgewood College, Biological Sciences Madison WI 53711 U.S.A.
5. U.S. Fish and Wildlife Service, Necedah National Wildlife Refuge Necedah WI 54646 U.S.A.