Author
United States. Forest Service
80
Geological Survey of Canada
21
United States Geological Survey
17
DNAG
15
United States. Bureau of Mines
15
Geological Society of America
13
NORTHEASTERN FOREST EXPERIMENT STATION
12
Nova Scotia Department of Mines and Energy
12
DECADE OF NORTH AMERICAN GEOLOGY
11
Northeastern Forest Experiment Station (Radnor, Pa.)
11
ENERGY, MINES AND RESOURCES CANADA
10
North Central Forest Experiment Station (Saint Paul, Minn.)
10
Canadian Forest Industries Council
9
Northeastern Research Station
9
United States Department of Agriculture. Forest Service
8
United States. Department of Agriculture
8
Graham, D. P.
7
INTERMOUNTAIN FOREST AND RANGE EXPERIMENT STATION
7
PACIFIC NORTHWEST RESEARCH STATION
7
Canada/United States Spruce Budworms Program
6
Gottschalk, Kurt W.
6
ROCKY MOUNTAIN FOREST AND RANGE EXPERIMENT STATION
6
UNITED STATES DEPARTMENT OF THE INTERIOR
6
Canadian Forest Service
5
Geological Association of Canada
5
Giancola, Diane
5
INTERMOUNTAIN RESEARCH STATION
5
Mineralogical Association of Canada
5
Nova Scotia Department of Lands and Forests
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
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
Canadian Wildlife Service
4
Duda, M. D.
4
Geological Association of Canada, Mineralogical Association of Canada, JOINT ANNUAL MEETING HALIFAX, NOVA SCOTIA
4
Herzstein, R. E.
4
IEA Coal Research
4
IGWG
4
International Energy Agency
4
MEND
4
MINE ENVIRONMENT NEUTRAL DRAINAGE PROGRAM
4
Mackay, B. R.
4
Mitsch, William J.
4
NATIONAL ENERGY FOUNDATION
4
National Sand and Gravel Associaton
4
Northeastern Forest Experiment Station
4
Nova Scotia Department of Natural Resources
4
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