1. U.S. Geological Survey, Wisconsin Cooperative Fishery Research Unit, College of Natural Resources University of Wisconsin–Stevens Point 800 Reserve Street Stevens Point Wisconsin 54481 USA
2. College of Natural Resources University of Wisconsin–Stevens Point 800 Reserve Street Stevens Point Wisconsin 54481 USA
3. Wisconsin Cooperative Fishery Research Unit, College of Natural Resources University of Wisconsin–Stevens Point 800 Reserve Street Stevens Point Wisconsin 54481 USA
4. Wisconsin Department of Natural Resources 101 North Ogden Road Peshtigo Wisconsin 54157 USA
5. Michigan Department of Natural Resources 6833 Highway 2 Gladstone Michigan 49837 USA
6. U.S. Fish and Wildlife Service Green Bay Fish and Wildlife Conservation Office 2661 Scott Tower Drive New Franken Wisconsin 54229 USA