Subject
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Logging
5
Mammals
5
Migration
5
Mineral deposits
5
Petroleum geology
5
Population
5
Public opinion
5
Research and development
5
Salt domes
5
Slopes
5
Travel
5
Wetland ecology
5
Wood products
5
Abandoned Mines
4
Aquifers
4
Biology
4
Christmas trees
4
Coalbed methane
4
Concrete
4
Conservation of natural resources
4
Continental shelf
4
Coyotes
4
Damage
4
Defoliation
4
Deformation
4
Evaluation
4
Evaporites
4
Fires
4
Flora
4
Forest resources
4
Fur-bearing animals
4
Harvesting
4
Igneous rocks
4
Ireland
4
Laws
4
Lumber industry
4
Mathematical models
4
Metals
4
Methods
4
Mineral exploration
4
Pesticides
4
Pollution
4
Prescribed burning
4
Prevention and control
4
Provinces
4
Public relations
4
SURVEYS
4
Skarns
4
Spruce
4
Strip mining
4
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