1. United States Environmental Protection Agency, Region 4, Wetlands Section, 100 Alabama St., Atlanta, GA 30303-3104
2. University of Tennessee, Knoxville, Department of Forestry, Wildlife, and Fisheries, P.O. Box 1071, Knoxville, TN 37901-1071
3. University of Tennessee, Knoxville, College of Veterinary Medicine, Department of Comparative Medicine, P.O. Box 1071, Knoxville, TN 37901-1071