Mass flows in the U.S. timber, pulp, and paper industries, 1988 (million metric tons). Calculated by the authors from various sources, including Ulrich (1990), United Nations Statistical Office (1988), Bureau of Mines (1988, 1989), Bureau of the Census (1990), and United States Department of Agriculture (1992).
The National Academies of Sciences, Engineering, and Medicine 500 Fifth St. N.W. | Washington, D.C. 20001
"Use of Materials Balances to Estimate Aggregate Waste Generation in the United States."
Measures of Environmental Performance and Ecosystem Condition.
Washington, DC: The National Academies Press, 1999.