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By: Widmann, Richard H. - Birch, Thomas W. - Northeastern Forest Experiment Station (Radnor, Pa.)
Edition:
Publication info: Broomall, PA, Northeastern Forest Experiment Station, [1988]
Volume: no.102
Series:
Holding Institution: U.S. Department of Agriculture, National Agricultural Library
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By: Widmann, Richard H. - Northeastern Forest Experiment Station (Radnor, Pa.)
Edition:
Publication info: Radnor, PA, U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, [1995]
Volume: no.131
Series:
Holding Institution: U.S. Department of Agriculture, National Agricultural Library
Subjects:
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By: Frieswyk, Thomas S. - Widmann, Richard H. - United States. Forest Service. - United States. Forest Service. Northeastern Research Station.
Edition:
Publication info: Newton Square, PA, U.S. Dept. of Agriculture, Forest Service, Northeastern Research Station, [2000]
Volume: no.146
Series:
Holding Institution: U.S. Department of Agriculture, National Agricultural Library
Subjects:
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By: Frieswyk, Thomas S. - Widmann, Richard H. - United States. Forest Service. - United States. Forest Service. Northeastern Research Station.
Edition:
Publication info: Newton Square, PA, U.S. Dept. of Agriculture, Forest Service, Northeastern Research Station, [2000]
Volume: no.145
Series:
Holding Institution: U.S. Department of Agriculture, National Agricultural Library
Subjects:
BHL Collections:
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By: Griffith, Douglas M. - Widmann, Richard H. - United States. Forest Service. - United States. Forest Service. Northeastern Research Station.
Edition:
Publication info: Newtown Square, PA, U.S. Dept. of Agriculture, Forest Service, Northeastern Research Station, [2003]
Volume: no.157
Series:
Holding Institution: U.S. Department of Agriculture, National Agricultural Library
Subjects:
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By: Widmann, Richard H. - United States. Forest Service. - United States. Forest Service. Northeastern Research Station.
Edition:
Publication info: Newtown Square, PA, U.S. Dept. of Agriculture, Forest Service, Northeastern Research Station, [2005]
Volume: no.163
Series:
Holding Institution: U.S. Department of Agriculture, National Agricultural Library
Subjects:
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By: Widmann, Richard H. - United States. Forest Service. - United States. Forest Service. Northeastern Research Station.
Edition:
Publication info: Newton Square, PA, U.S. Dept. of Agriculture, Forest Service, Northeastern Research Station, [2002?]
Volume: NE-INF-150-02
Series:
Holding Institution: U.S. Department of Agriculture, National Agricultural Library
Subjects:
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By: Widmann, Richard H. - Maryland. Forest Service. - United States. Forest Service. - United States. Forest Service. Northeastern Research Station.
Edition:
Publication info: Newton Square, PA, U.S. Dept. of Agriculture, Forest Service, Northeastern Research Station, [2002?]
Volume: NE-INF-152-02
Series:
Holding Institution: U.S. Department of Agriculture, National Agricultural Library
Subjects:
BHL Collections:
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By: Widmann, Richard H. - United States. Forest Service. - United States. Forest Service. Northeastern Research Station.
Edition:
Publication info: Newton Square, PA, U.S. Dept. of Agriculture, Forest Service, Northeastern Research Station, [2002?]
Volume: NE-INF-154-02
Series:
Holding Institution: U.S. Department of Agriculture, National Agricultural Library
Subjects:
BHL Collections:
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By: Widmann, Richard H. - United States. Forest Service. - United States. Forest Service. Northeastern Research Station.
Edition:
Publication info: Newton Square, PA, U.S. Dept. of Agriculture, Forest Service, Northeastern Research Station, [2002?]
Volume: NE-INF-148-02
Series:
Holding Institution: U.S. Department of Agriculture, National Agricultural Library
Subjects:
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