1. Civil Engineer, Centro EULA-Chile, Univ. de Concepción, Chile; presently, Ph.D. Candidate, Center for Ecohydraulics Research, Univ. of Idaho, 322 East Front St., Suite 340, Boise, ID 83702 (corresponding author).
2. Civil Engineer, Director of the Center for Ecohydraulics Research, Univ. of Idaho, Boise, ID 83702.
3. Research Geomorphologist, Rocky Mountain Research Station, U.S. Forest Service, Boise, ID 83702.
4. Civil Engineer, Dept. of Civil Engineering, Univ. of Idaho, Moscow, ID 83844-1022.
5. President, Univ. of Idaho, Moscow, ID 83844-1138.