1. Associate Engineer, MWH Global, Inc., 618 Michillinda Ave, Arcadia, CA 91007.
2. Senior Lecturer/Research Associate, School of Civil and Environmental Engineering, Hollister Hall, Cornell Univ., Ithaca, NY 14853 (corresponding author).
3. Fulbright Fellow, Agua Para el Pueblo, Tegucigalpa, M.D.C., F.M., 11101 Honduras.
4. Systems Consultant, Accenture, 1345 Ave. of the Americas, New York, NY 10105.
5. Assistant Project Manager, Cauldwell Wingate, 380 Lexington Ave., New York, NY 10168.
6. Professor, School of Civil and Environmental Engineering, Hollister Hall, Cornell Univ., Ithaca, NY 14853.