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COAL SEAMS
01 COAL
3
AND PEAT
3
LIGNITE
3
AQUIFERS
2
FOSSIL FUELS
2
POWER PLANTS
2
09 BIOMASS FUELS
1
13 HYDRO ENERGY
1
29 ENERGY PLANNING
1
33 ADVANCED PROPULSION SYSTEMS
1
54
1
58
1
58 GEOSCIENCES
1
ABANDONED WELLS
1
ABSORPTION SPECTROSCOPY
1
ALASKA
1
ANIMALS
1
ASHES
1
BITUMINOUS COAL
1
BLACK COAL
1
BRINES
1
BROWN COAL
1
CALORIFIC VALUE
1
CAPACITY
1
CARBON
1
CARBON DIOXIDE
1
CARBONACEOUS MATERIALS
1
CARBONATES
1
CARBONIC ACID
1
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