1. Department of Geography; Brigham Young University; 690 SWKT Provo Utah 84602
2. Forest Inventory and Analysis; Rocky Mountain Research Station; U.S. Forest Service; Ogden Utah 84401
3. Tree-Ring Laboratory; Lamont-Doherty Earth Observatory of Columbia University; Palisades New York 10964
4. Department of Plants, Soils and Climate; Utah State University; Logan Utah 84322
5. Department of Geography; Brigham Young University; Provo Utah 84602