University of Southampton, School of Geography, Highfield, Southampton, SO17 1BJ United Kingdom
University of Oregon, Department of Geography, University of Oregon, Eugene, OR 97403 United States
U.S. Geological Survey, U.S. Geological Survey, Department of Geosciences, 104 Wilkinson Hall, Oregon State University, Corvallis, OR 97331-5506 United States
U.S. Geological Survey, U.S. Geological Survey, 200 SW 35th Street, Corvallis, OR 97333 United States
University of Washington, College of Forest Resources, University of Washington, Seattle, WA 98195 United States
University of Washington, Earth and Space Sciences, Quaternary Research Center, University of Washington, Seattle, WA 98195-1360 United States