Author
United States. Forest Service
80
Maritimes Forest Research Centre
30
Canadian Forestry Service
20
Magasi, Laszlo P.
17
United States Geological Survey
17
DNAG
15
United States. Bureau of Mines
15
Geological Society of America
14
NORTHEASTERN FOREST EXPERIMENT STATION
12
Smith, R. F.
12
DECADE OF NORTH AMERICAN GEOLOGY
11
Northeastern Forest Experiment Station (Radnor, Pa.)
11
North Central Forest Experiment Station (Saint Paul, Minn.)
10
Canadian Forest Industries Council
9
Northeastern Research Station
9
Canadian Forestry Service Maritimes
8
United States Department of Agriculture. Forest Service
8
United States. Department of Agriculture
8
ENERGY, MINES AND RESOURCES CANADA
7
Geological Survey of Canada
7
Graham, D. P.
7
INTERMOUNTAIN FOREST AND RANGE EXPERIMENT STATION
7
Nova Scotia Department of Mines and Energy
7
PACIFIC NORTHWEST RESEARCH STATION
7
Canada/United States Spruce Budworms Program
6
Canadian Forest Service. Maritimes Region
6
Gottschalk, Kurt W.
6
ROCKY MOUNTAIN FOREST AND RANGE EXPERIMENT STATION
6
UNITED STATES DEPARTMENT OF THE INTERIOR
6
Canada. Forestry Canada. Maritimes Region
5
Canadian Forest Service
5
Canadian Forestry Service. Maritimes
5
Canadian Wildlife Service
5
Forestry Canada. Maritimes Region
5
Giancola, Diane
5
INTERMOUNTAIN RESEARCH STATION
5
Society of American Foresters
5
UNITED STATES DEPARTMENT OF AGRICULTURE
5
UNITED STATES FISH AND WILDLIFE SERVICE
5
United States. Cooperative State Research Service
5
Yeates, L. D.
5
AMERICAN SOCIETY FOR SURFACE MINING AND RECLAMATION AND THE CANADIAN LAND RECLAMATION ASSOCIATION, ANNUAL MEETING PROCEEDINGS OF A CONFERENCE PITTSBURGH, PENNSYLVANIA
4
Birdsey, Richard A.
4
Duda, M. D.
4
Fowler, D. P. 1932-
4
Herzstein, R. E.
4
IEA Coal Research
4
IGWG
4
International Energy Agency
4
MEND
4
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