Author
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United States Department of Agriculture. Forest Service
1
United States. Department of Agriculture. Forest Service. Northeastern Research Station
1
United States. Forest Service. Northeastern Research Station
1
Valley Forest Products (N.B.)
1
W. W. Calvert and Associates
1
WEST VIRGINIA UNIVERSITY
1
Wellings, Fred R.
1
Wiedenbeck, Janice K. 1958-
1
Yaussy, Daniel A.
1