1. Division of Plant and Soil SciencesWest Virginia Univ.MorgantownWV26506
2. Dep. of StatisticsColorado State Univ.Fort CollinsCO80523
3. Dep. of StatisticsWest Virginia Univ.MorgantownWV26506
4. U.S. Forest Service Monongahela National ForestElkinsWV26241