1. Graduate Research Assistant, Dept. of Civil and Environmental Engineering, Colorado State Univ., Fort Collins, CO 80523-1372; formerly, Graduate Research Assistant, Geological Engineering, Univ. of Wisconsin.
2. Geoenvironmental Engineer, Vector Engineering, 1956 SW Forest Ridge Ave., Bend, OR 97702; formerly, Graduate Research Assistant, Civil Engineering, Colorado State Univ.
3. Wisconsin Distinguished Professor and Chairman, Geological Engineering, Univ. of Wisconsin, Madison, WI 53706.
4. Professor, Dept. of Civil and Environmental Engineering, Colorado State Univ., Fort Collins, CO 80523-1372.
5. Major and Assistant Professor, Dept. of Civil Engineering, Chulachomklao Royal Military Academy, Muang, Nakhon Nayok, 26001, Thailand; formerly, Graduate Research Assistant, Dept. of Civil and Environmental Engineering, Univ. of Wisconsin.