1. Project Engineer, Quantitative Environmental Analysis, LLC, 305 West Grand Ave., Montvale, NJ 07645; formerly, Research Assistant, Civil and Environmental Engineering Dept., Clarkson Univ., Potsdam, NY 13699.
2. Professor, Civil and Environmental Engineering Dept., Clarkson Univ., Potsdam, NY 13699 (corresponding author). E-mail: pdy@clarkson.edu