The United States Woodpulp Industry - Forest Products Laboratory ...

Table A-1—Number and capacity of active U.S. woodpulp mills of each type in selected years
Defibrated/Exploded
Semichemical 3
Groundwood 2
Sulfate 1
Capacity
Number
Total Average
Capacity
Total Average
Capacity
Number
Number
Average
Total
Capacity
Total Average
Number
Sulfite
Capacity
Total Average
Year
Number
1
lncludes soda pulp mills.
2
Includes chemiground mills, 1920-55, and stone ground, refiner, and thermomechanical mills, 1961-83.
3 Includes chemiground and chemimechanical pulp mills, 1961-83.
4 Includes idle mills and mills under construction.
5 Includes defibrated/exploded and chemimechanical pulp mills.
6 Included in semichemical.
Sources: Lockwood Publishing Co., Inc. (1966, 1971, 1968, 1973)
McKeever, David B. (1977)
Miller Freeman Publications, Inc. (1983)
U.S. Department of Agriculture, Forest Service (1961, 1966)
Vance Publishing Corp. (1984)