1. Research Engineer, Upstate Freshwater Institute, P.O. Box 506, Syracuse, NY 13214.
2. Research Scientist, Upstate Freshwater Institute, P.O. Box 506, Syracuse, NY 13214.
3. Professor, Dept. Environmental Resources and Forestry Engineering, College of Environmental Science and Forestry, State Univ. of New York, Syracuse, NY 13210.