1. Research Scientist, Dept. of Civil Engineering, Engineering Research Center, Colorado State Univ., Fort Collins, CO 80523.
2. Professor, Associate Dean for Research, Dept. of Civil Engineering, Engineering Research Center, Colorado State Univ., Fort Collins, CO 80523.
3. Hydrologist, Stream Systems Technology Center, Rocky Mountain Research Station, U.S.D.A. Forest Service, 2150 Centre Ave., Building A, Fort Collins, CO 80526.
4. Research Hydrologist, Rocky Mountain Research Station, U.S.D.A. Forest Service, 222 S 22nd St., Laramie, WY 82070.