Data Catalog SAMPLING INFORMATION METHODS HF DIRT 1990 HF DIRT 1991 HF DIRT 1995 HF DIRT 2000 Bousson Forest, PA in 1996 U. of Wisconsin Arboretum, WI, 1997 pH   Coarse Woody Debris   Litterfall   Soil Moisture   Soil Physical and Chemical Properties   Soil Respiration   Soil Temperature   Tree Inventory   Root Mass