1. Associate Members, ASCE
2. California Engineering, 825 Avenue H, Treasure Island, San Francisco, CA 94130; formerly, Grad. Student, Dept. of Civ., Envir., and Arch. Engrg., Univ. of Colorado, Boulder, CO 80309-0428.
3. Assoc. Prof., Dept. of Civ., Envir., and Arch. Engrg., Univ. of Colorado, Boulder, CO 80309-0428 (corresponding author).