1. Numerical Terradynamic Simulation Group University of Montana Missoula Montana USA
2. University of Montana, W.A. Franke College of Forestry and Conservation Missoula Montana USA
3. Department of Agronomy and Horticulture University of Nebraska–Lincoln Lincoln Nebraska USA
4. Regrow Agriculture Durham New Hampshire USA
5. US Department of Agriculture, Natural Resources Conservation Service Portland Oregon USA
6. US Geological Survey, Arkansas Cooperative Fish & Wildlife Research Unit University of Arkansas Fayetteville Arkansas USA