1. S.F. Feeken, Z.B. Klein Idaho Cooperative Fish and Wildlife Research Unit, Department of Fish and Wildlife Sciences, University of Idaho, 875 Perimeter Drive MS 1141, Moscow, Idaho 83844
2. M.C. Quist U.S. Geological Survey, Idaho Cooperative Fish and Wildlife Research Unit, Department of Fish and Wildlife Sciences, University of Idaho, 875 Perimeter Drive MS 1141, Moscow, Idaho 83844
3. N. Horner 7553 S. Greensferry Road, Coeur d'Alene, Idaho 83814