1. Carbon Management and Sequestration Center; School of Natural Resources, The Ohio State Univ.; Columbus OH 43210-1085
2. USDA-ARS; North Appalachian Experimental Watersheds; P.O. Box 488 Coshocton OH 43812
3. Environmental Sciences Division; Oak Ridge National Lab.; Oak Ridge TN 37831
4. Joint Global Change Research Institute, Univ. of Maryland; College Park MD 20740