Affiliation: | 1. U.S. Geological Survey, Northern Rocky Mountain Science Center, Glacier National Park West Glacier, MT, U.S.A;2. Flathead Lake Biological Station, University of Montana, Polson, MT, U.S.A;3. Division of Biological Sciences, University of Montana, Missoula, MT, U.S.A;4. Montana Fish, Wildlife & Parks, Kalispell, MT, U.S.A |