1. Research Assistant, Dept. of Civil and Geological Engineering, Univ. of Saskatchewan, 57 Campus Dr., Saskatoon SK, Canada S7N 5A9.
2. Professor, Dept. of Civil and Geological Engineering, Univ. of Saskatchewan, 57 Campus Dr., Saskatoon SK, Canada S7N 5A9.
3. Project Engineer, DASSE Design, Inc., 1999 Harrison St. Ste., No. 500 Oakland, CA 94612.