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DNR Office
Author
19
United States. Forest Service
17
NORTHEASTERN FOREST EXPERIMENT STATION
4
Gottschalk, K. W.
3
Liebhold, A. M.
3
UNITED STATES DEPARTMENT OF AGRICULTURE
3
UNITED STATES ENVIRONMENTAL PROTECTION AGENCY
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2
Colbert, J. J.
2
UNITED STATES DEPARTMENT OF AGRICULTURE, FOREST SERVICE
1
ABER, J. D.
1
Allen, Douglas C.
1
Barrett, H. R.
1
Befort, W. A.
1
Birdsey, R.
1
Birdsey, Richard A.
1
Brissette, J. C.
1
Burns, D. P.
1
CENTRAL HARDWOOD FOREST CONFERENCE, PROCEEDINGS OF A MEETING PENNSYLVANIA STATE UNIVERSITY, PENNSYLVANIA
1
De Graaf, R. M.
1
Dolan, J. D.
1
ENVIRONMENTAL ISSUES AFFECTING FORESTRY AND FOREST PRODUCTS INDUSTRIES IN THE EASTERN UNITED STATES, PROCEEDINGS
1
Ecology, survey and management of forest insects Krakow, Poland
1
Ellis, J. M.
1
Federer, C. A.
1
Fosbroke, S. L.
1
Fosbroke, S. L. C.
1
Frey, S. D.
1
Garrett, P. W.
1
Gotthalk, Kurt W.
1
Gove, J. H.
1
Gray, D. R.
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Subject
7
Gypsy moth
6
Symposia
6
Trees
5
Forest management
4
Forests
4
Forests and forestry
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3
Defoliation
3
Forest damage
3
Forest pests
3
Hardwoods
3
Stand characteristics
2
Climate
2
Computer modeling
2
Ecosystems
2
Environmental aspects
2
Forest Pests
2
Geographic information systems
2
Guidelines
2
Management
2
Manuals
2
Models
2
Soils
1
Aerial photography
1
Atlas
1
Beetles
1
Biomass energy
1
Biotechnology
1
Boreal forests
1
Breeding
1
Conservation of natural resources
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