1. Alaska Science Center U.S. Geological Survey Anchorage AK USA
2. Geology, Minerals, Energy, and Geophysics Science Center U.S. Geological Survey Moffett Field CA USA
3. Geosciences and Environmental Change Science Center U.S. Geological Survey Boulder CO USA
4. Institute of Arctic Biology University of Alaska, Fairbanks Fairbanks AK USA
5. PNW Research Station USDA Forest Service Fairbanks AK USA
6. Now at Aldo Leopold Wilderness Research Institute Rocky Mountain Research Station Missoula MT USA