1. U.S. National Park Service, Great Lakes Inventory and Monitoring Network, Ashland, Wisconsin 54806, United States
2. Raptor Environmental, 7280 Susan Springs Drive, West Chester, Ohio 45069, United States
3. Wisconsin Department of Natural Resources, Madison, Wisconsin 53716, United States
4. Wisconsin Department of Natural Resources, Rhinelander, Wisconsin 54501, United States
5. Wisconsin State Laboratory of Hygiene, 2601 Agricultural
Drive, Madison, Wisconsin 53718, United States