1. Member, ASCE
2. Assoc. Prof., Dept. of Civ. and Envir. Engrg., Univ. of Missouri-Columbia, Columbia, MO 65211-2200.
3. PhD Candidate, Dept. of Civ. and Envir. Engrg., Univ. of Missouri-Columbia, Columbia, MO.
4. Envir. Engr., Roy F. Westin, Inc.; formerly, Grad. Student, Dept. of Civ. and Envir. Engrg., West Virginia Univ., Morgantown, WV.