Subject
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Environmental impacts
5
Environmental protection
5
Evaluation
5
Excavations (Archaeology)
5
Forest industries
5
GOVERNMENT
5
Greenhouse gases
5
Land management
5
Land ownership
5
Landform evolution
5
Legislation
5
Methane
5
Nature reserves
5
Nova Scotia
5
Ocean currents
5
Physiography
5
Plants
5
Surveys
5
Technology
5
Tides
5
Timber
5
Triassic
5
Ash
4
Balsam fir
4
Bears
4
Camp sites, facilities, etc
4
Clean coal
4
Coal industry
4
Coal mining
4
Environment
4
Feasibility studies
4
Forest fires
4
Forest industry
4
Global warming
4
Government programs
4
Hearings
4
Herbicides
4
Industrial safety
4
Longwall mining
4
Mammals
4
Measurement
4
Mine development
4
Mines
4
Nature conservation
4
Occupational health and safety
4
Reforestation
4
Rivers
4
Streams
4
Sulfur
4
Terrestrial environment
4
more ...