Subject
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Tariff on softwood
9
Timber
9
Wildlife conservation
9
Antidumping duties
8
Coal Mines
8
Diseases
8
Endangered species
8
Gold ores
8
Hunting
8
Hydrogeology
8
Lumber
8
Models
8
Taxes
8
Case studies
7
Environment
7
Environmental impacts
7
Forecasting
7
Forest surveys
7
Growth
7
Landscape ecology
7
Meguma Group
7
Mineral industries
7
Pest management
7
Policy
7
Recreational use
7
Softwoods
7
Trade
7
Acid mine drainage
6
Classification
6
Climate
6
Coal mining
6
Diseases and pests
6
Environmental policy
6
Fishing
6
Forest policy
6
Industrial minerals
6
Markets
6
Measurement
6
Mines and mineral resources
6
Natural gas
6
Outdoor recreation
6
Parks
6
Plants
6
Soils
6
Structural geology
6
Supply and demand
6
Waste disposal
6
Water quality
6
Acid rain
5
Control methods
5
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