Author
United States. Forest Service
93
United States Geological Survey
17
DNAG
15
United States. Bureau of Mines
15
NORTHEASTERN FOREST EXPERIMENT STATION
14
Geological Society of America
13
Northeastern Research Station
13
DECADE OF NORTH AMERICAN GEOLOGY
11
Northeastern Forest Experiment Station (Radnor, Pa.)
11
North Central Forest Experiment Station (Saint Paul, Minn.)
10
Northeastern Forest Experiment Station
10
Canadian Forest Industries Council
9
SUNY College of Environmental Science and Forestry
8
The Pennylsvania State University
8
United States Department of Agriculture. Forest Service
8
United States. Department of Agriculture
8
University of Massachusetts
8
Graham, D. P.
7
INTERMOUNTAIN FOREST AND RANGE EXPERIMENT STATION
7
Mansfield Univsersity
7
PACIFIC NORTHWEST RESEARCH STATION
7
Westfield State College
7
Canada/United States Spruce Budworms Program
6
ENERGY, MINES AND RESOURCES CANADA
6
Gottschalk, Kurt W.
6
Michigan State University
6
ROCKY MOUNTAIN FOREST AND RANGE EXPERIMENT STATION
6
UNITED STATES DEPARTMENT OF AGRICULTURE
6
UNITED STATES DEPARTMENT OF THE INTERIOR
6
University of New Hampshire
6
West Virginia University
6
Geological Survey of Canada
5
Giancola, Diane
5
INTERMOUNTAIN RESEARCH STATION
5
New York State Office of Parks, Recreation, and Historic Preservation
5
Northeastern recreation research symposium Bolton Landing, New York)
5
Northeastern recreation research symposium Saratoga Springs, New York)
5
Nova Scotia Department of Mines and Energy
5
Society of American Foresters
5
Society of American Foresters, Recreation Working Group
5
UNITED STATES FISH AND WILDLIFE SERVICE
5
United States. Cooperative State Research Service
5
University of Vermont
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
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