1. Ph.D. Candidate, Univ. of Illinois, 205 N. Mathews Ave., Urbana, IL 61801; formerly, Geotechnical Engineer, Gosling Czubak Engineering Sciences, Inc., 1280 Business Park Dr., Traverse City, MI 49686 (corresponding author).
2. Associate Professor of Civil and Environmental Engineering, Michigan Technological Univ., Houghton, MI 49931.