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Cost comparison of gob hole and cross-measure borehole systems to control methane in gobs

Published Year

• 1980-1989 (1)

Subject

• Boring (1) *
• Coalbed methane drainage (1)
• Longwall mining (1) *

Author

• Baker, E. C. (1)
• Cervik, Joseph. (1)
• Garcia, F. (1)

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