1. Water Resource Engineer, California Dept. of Water Resources, Division of Safety of Dams, 2200 X St., Suite 200, Sacramento, CA 95818 (corresponding author).
2. Professor, Dept. of Civil and Environmental Engineering, Univ. of California, Davis, CA 95616.
3. Consulting Engineer, Beaty Engineering LLC, 16631 SW Timberland Dr., Beaverton, OR 97007.