1. Biological and Ecological Engineering Department; Oregon State University; 116 Gilmore Hall Corvallis Oregon 97331
2. Restoration Center; National Marine Fisheries Service; National Oceanic and Atmospheric Administration; Gloucester Massachusetts 01930
3. Pacific Northwest Research Station; U.S. Forest Service; Juneau Alaska 99801
4. Sedimentation and River Hydraulics Group; U.S. Bureau of Reclamation; Denver Colorado 80225
5. Western Fisheries Research Center; U.S. Geological Survey; Cook Washington 98605
6. Fort Collins Science Center; U.S. Geological Survey; Fort Collins Colorado 80526
7. Department of Geosciences; University of Montana; Missoula Montana 59812