1. Geotechnical Engineering Manager, Marino Engineering Associates, Inc., 1370 McCausland Avenue, St. Louis, MO 63117.
2. Associate Professor, Dept. of Civil and Environmental Engineering, Univ. of Delaware, 301 DuPont Hall, Newark, DE 19716.
3. Graduate Student, Dept. of Civil and Environmental Engineering, Univ. of Delaware, 301 DuPont Hall, Newark, DE 19716.