1. Professor, Dept. of Civil and Environmental Engineering, Colorado State Univ., Fort Collins, CO 80523.
2. Professor and Department Head, Dept. of Civil and Environmental Engineering, Colorado State Univ., Fort Collins, CO 80523.
3. Graduate Research Assistant, Colorado State Univ., Fort Collins, CO 80523 (corresponding author).
4. Assistant Director, Integrated Decision Support Group, Colorado State Univ., Fort Collins, CO 80523.
5. Hydrologist, Interstate Stream Commission, Albuquerque, NM 87102.