1. Washington Department of Fish and Wildlife, 3515 Chelan Highway 97A, Wenatchee, Washington 98801, USA
2. School of Environmental and Forest Sciences, University of Washington, Box 352100, Seattle, Washington 98195, USA
3. U.S. Geological Survey, Forest and Rangeland Ecosystem Science Center, Cascadia Field Station, School of Environmental and Forest Sciences, University of Washington, Box 352100, Seattle, Washington 98195, USA
4. Confederated Tribes of the Colville Reservation, Fish and Wildlife Department, 25B Mission Road, Omak, Washington 98841, USA
5. National Oceanic and Atmospheric Administration, National Marine Fisheries Service, Northwest Fisheries Science Center, Fish Ecology Division, 2725 Montlake Boulevard East, Seattle, Washington 98112, USA
6. School of Aquatic and Fishery Sciences, University of Washington, Box 355020, Seattle, Washington 98195, USA
7. Grant County Public Utility District, Post Office Box 878, Ephrata, Washington 98823, USA