1. Associate Member, ASCE
2. Fellow, ASCE
3. Grad. Res. Asst., Dept. of Civ., Envir., and Arch. Engrg., Univ. of Colorado, Campus Box 428, Boulder, CO 80309-0428.
4. Prof., Dept. of Civ., Envir., and Arch. Engrg., Univ. of Colorado, Campus Box 428, Boulder, CO.