Some Useful Facts About West Virginia's Hardwood Forests References Economic Impact of the Wood Products Industry:  West Virginia 1995 Bureau of Business and Economic Research, College of Business and Economics, West Virginia University, David Greenstreet and Raymond Cardwell, Jr., June 1997 Forest Inventory Survey, USDA Forest Service, 1988 Organic Act of June 4, 1897 Project Learning Tree, 2000 USDA Forest Service, 2000 West Virginia Blue Book, 1998 West Virginia Department of Natural Resources, 2000 West Virginia Division of Forestry, 2000 West Virginia Tree Farming, 2000 American Forest & Paper Association, 2000 West Virginia Coal Association, Inc., 2001 Report of the President's Advisory Panel on Timber and the Environment, 1973 West Virginia Tree Farm Committee, 2000 Canadian Wood Council, 1994.  Technical Bulletin No. 2:  Environmental Effects of Building Materials. The American Forest Foundation Tree Farmer Magazine, March/April 2000, "Harvesting the Benefits of Carbon Sinks." West Virginia Development Office, as documented in The Charleston Daily Mail, January 25, 2001, Section 9A.