1. Real Time Research, Inc. 1000 Southwest Emkay Drive Bend Oregon 97702 USA
2. Washington Cooperative Fish and Wildlife Research Unit School of Aquatic and Fishery Sciences University of Washington 1122 Northeast Boat Street Seattle Washington 98195 USA
3. Department of Fisheries and Wildlife Oregon State University 104 Nash Hall Corvallis Oregon 97331 USA
4. Public Utility District No. 2 of Grant County Post Office Box 87830 Ephrata Washington 98823 USA