1. Associate Professor, Civil Engineering, P.O. Box 400742, Thornton Hall, Univ. of Virginia, Charlottesville, VA 22904-4742.
2. Environmental Engineer, Limno-Tech, Inc., 501 Avis Dr., Suite 1, Ann Arbor, MI 48108.
3. Staff Engineer, Cahill Associates, 104 South High St., West Chester, PA 19382.
4. Senior Environmental Engineer, Parsons Engineering Science, Inc., 10521 Rosehaven St., Fairfax, VA 22030.
5. Associate Professor, Technology, Culture, and Communication, P.O. Box 400231, Thornton Hall, Univ. of Virginia, Charlottesville, VA 22904-4231.
6. Professor, Civil Engineering, P.O. Box 400742, Thornton Hall, Univ. of Virginia, Charlottesville, VA 22904-4742.