Costs of mining under bolted roof and timbered roof in bituminous coal mines
Journal Article
·
· Min. Equipment; ()
OSTI ID:7298518
- OSTI ID:
- 7298518
- Journal Information:
- Min. Equipment; (), Vol. 12
- Country of Publication:
- United States
- Language:
- English
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OSTI ID:7298518
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· Coal Age; (United States)
·
OSTI ID:7298518
Related Subjects
01 COAL, LIGNITE, AND PEAT
COAL MINING
COST
BITUMINOUS COAL
COAL DEPOSITS
FASTENERS
MINING EQUIPMENT
OHIO
PENNSYLVANIA
PRODUCTIVITY
ROOFS
THICKNESS
WEST VIRGINIA
WOOD
BLACK COAL
CARBONACEOUS MATERIALS
CENTRAL REGION
COAL
DIMENSIONS
ENERGY SOURCES
EQUIPMENT
FOSSIL FUELS
FUELS
GEOLOGIC DEPOSITS
GREAT LAKES REGION
MINING
NORTH AMERICA
RESOURCES
USA
012000* - Coal
Lignite
& Peat- Mining
COAL MINING
COST
BITUMINOUS COAL
COAL DEPOSITS
FASTENERS
MINING EQUIPMENT
OHIO
PENNSYLVANIA
PRODUCTIVITY
ROOFS
THICKNESS
WEST VIRGINIA
WOOD
BLACK COAL
CARBONACEOUS MATERIALS
CENTRAL REGION
COAL
DIMENSIONS
ENERGY SOURCES
EQUIPMENT
FOSSIL FUELS
FUELS
GEOLOGIC DEPOSITS
GREAT LAKES REGION
MINING
NORTH AMERICA
RESOURCES
USA
012000* - Coal
Lignite
& Peat- Mining