1. Carbon Management and Sequestration CenterFAES/OARDC, School of Natural Resources, The Ohio State Univ.ColumbusOH43210‐1085
2. USDA‐ARSNorth Appalachian Experimental WatershedsP.O. Box 488CoshoctonOH43812
3. Environmental Sci. Div.Oak Ridge National Lab.Oak RidgeTN37831
4. Joint Global Change Research Institute, Univ. of MarylandCollege ParkMD20740