Subject
Abandoned Mines
5
Accidents
18
Agriculture
1
Alternative Energy
1
Analysis
2
Anhydrite deposits
1
Backfilling
1
Basins
1
Bump
5
Cable methods
1
Case studies
2
Classification
1
Coal
6
Coal Mines
Coal deposits
2
Coal fields
3
Coal mines and mining
1
Coal mining
14
Coal reserves
2
Coal seams
3
Coalbed methane
2
Coalification
1
Combustion
3
Concrete
1
Contamination
1
Conveyor belts
1
Cores
1
Design
1
Development
1
Drilling
3
Dust
1
Economic geology
1
Effluents
1
Electric power
4
Emissions
4
Energy source development
6
Environmental aspects
2
Environmental assessment
2
Environmental impacts
5
Environmental protection
2
Equipment
2
Evaluation
1
Explosions
8
Explosives
2
Fauna
2
Feasibility studies
4
Field trips
2
Fire control
1
Fire prevention
3
Fires
7
more ...