1. United States Geological Survey, Patuxent Wildlife Research Center, Beltsville Lab, c/o BARC East Building 308, 10300 Baltimore Avenue, Beltsville, Maryland 20705
2. United States Geological Survey, Leetown Science Center, Kearneysville, West Virginia 25430
3. Maryland Department of Natural Resources, Cambridge, Maryland 21613
4. Maryland Department of Natural Resources, Cooperative Oxford Laboratory, Oxford, Maryland 21654