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Methane control on longwalls with cross-measure boreholes (Lower Kittanning Coalbed)

Published Year

• 1980-1989 (1)

Subject

• Boring (1)
• Coalbed methane drainage--Pennsylvania--Cambria County (1) *
• Longwall mining--Pennsylvania--Cambria County--Safety measures (1)

Author

• Cervik, Joseph. (1) *
• Garcia, F. (1)

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