Author
United States. Forest Service
80
United States Geological Survey
17
DNAG
15
United States. Bureau of Mines
15
Geological Society of America
13
NORTHEASTERN FOREST EXPERIMENT STATION
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
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
ENERGY, MINES AND RESOURCES CANADA
6
Gottschalk, Kurt W.
6
ROCKY MOUNTAIN FOREST AND RANGE EXPERIMENT STATION
6
UNITED STATES DEPARTMENT OF THE INTERIOR
6
Geological Survey of Canada
5
Giancola, Diane
5
INTERMOUNTAIN RESEARCH STATION
5
Nova Scotia Department of Mines and Energy
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 Forest Service
4
Duda, M. D.
4
Herzstein, R. E.
4
IEA Coal Research
4
IGWG
4
International Energy Agency
4
MEND
4
MINE ENVIRONMENT NEUTRAL DRAINAGE PROGRAM
4
Mitsch, William J.
4
NATIONAL ENERGY FOUNDATION
4
National Sand and Gravel Associaton
4
Northeastern Forest Experiment Station
4
Pacific Northwest Research Station (Portland, Or.)
4
Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
4
SOUTHERN FOREST EXPERIMENT STATION
4
STONE AND WEBSTER
4
Beaumont, E. A.
3
Bosma, L. I.
3
Canadian Wildlife Service
3
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