1. Research Associate, Dept. of Civil and Environmental Engineering, Colorado School of Mines, 1500 Illinois St., Golden, CO 80401 (corresponding author).
2. Associate Professor, Dept. of Chemical Engineering, Colorado School of Mines, 1500 Illinois St., Golden, CO 80401.
3. Professor and Director, Dept. of Civil and Environmental Engineering, Colorado School of Mines, 1500 Illinois St., Golden, CO 80401.