Subject
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Birch
2
Breeding
2
Christmas tree industry
2
Conifers
2
Defoliation
2
Fire weather
2
Forest damage
2
Forest regeneration
2
Forest soils
2
Fungal diseases
2
Government policy
2
Grading
2
Harvesting
2
Larch
2
Lumber
2
Lumber trade
2
Measurement
2
Metric system
2
Periodicals
2
Pest management
2
Pine
2
Provenance trials
2
Red pine
2
Red spruce
2
Sawmills
2
Softwood
2
Softwoods
2
Storage
2
Surveys
2
Testing
2
Toxicology
2
White pine
2
Wildlife conservation
2
Wood
2
Acid rain
1
Aerial Photography
1
Aerial photography
1
Aerial spraying and dusting in forestry
1
Aeronautics in forest fire control
1
Afforestation
1
Agreements
1
Alcohol fuels
1
Analysis
1
Annual report
1
Aspen
1
Biological control
1
Biology
1
Bird populations
1
Black Spruce
1
Budworm
1
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