1. Assistant Professor, Dept. of Civil and Environmental Engineering, Brigham Young Univ., Provo, UT 84602 (corresponding author).
2. Staff Professional, AMEC Geomatrix Consultants, Inc., 2101 Webster St., 12th Floor, Oakland, CA 94612.
3. Undergraduate Student Researcher, Dept. of Civil and Environmental Engineering, Brigham Young Univ., Provo, UT 84602.