1. Assistant Professor, Urban Studies and Planning Program, Savannah State Univ., Savannah, GA 31404; formerly, Research Associate, Dept. of Civil Engineering, Univ. of Colorado Denver, Denver, CO 80217-3364 (corresponding author).
2. Master’s Student, Dept. of Civil Engineering, Univ. of Colorado Denver, 1200 Larimer St., Campus Box 113, Denver, CO 80217-3364.
3. Assistant Professor, Dept. of Civil Engineering, Univ. of Colorado Denver, 1200 Larimer St., Campus Box 113, Denver, CO 80217-3364.
4. Professor, Program in Environmental Design, Univ. of Colorado, 888 15th St., Boulder, CO 80302.