Subject
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Camp sites
1
Camp sites, facilities, etc
4
Cape Breton Coalfield, N. S.
2
Cape Breton Coalfields, N. S.
1
Carbon dioxide
1
Case studies
1
Catalogues
1
Cement materials
2
Chemical analysis
1
Christmas tree industry
1
Christmas trees
2
Classification
2
Clays
2
Clean coal
4
Clearcutting
2
Climate
1
Climate change
5
Coal
12
Coal Mines
6
Coal deposits
1
Coal fields
1
Coal industry
4
Coal mining
2
Coal preparation
3
Coal quality
2
Coal resources
1
Coal testing
1
Coalbed methane
1
Coastlines
1
Cogeneration
1
Cohasset
1
Collection and preservation
1
Combustion
5
Communication
1
Competition
1
Computer Programs
1
Computer modeling
1
Concrete
6
Concrete structures
1
Conservation
9
Conservation areas
1
Conservation of natural resources
1
Construction materials
2
Control methods
1
Conveyor belts
1
Cost
1
Cougars
1
Crown land
7
Crown lands
25
Cyanides
1
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