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