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2 results returnedMethane control on longwalls with cross-measure boreholes (Lower Kittanning Coalbed)
Cost comparison of gob hole and cross-measure borehole systems to control methane in gobs
Published Year
Subject
- Boring (2) *
- Coalbed methane drainage (1)
- Coalbed methane drainage--Pennsylvania--Cambria County (1)
- Longwall mining (1)
- Longwall mining--Pennsylvania--Cambria County--Safety measures (1)
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