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4 results returnedDegasification study from an air shaft in the Beckley Coalbed
Comparisons between cross-measure boreholes and surface gob holes
Published Year
Subject
- Boring (1)
- Boring--Pennsylvania--Ebensburg Region (1)
- Coalbed methane drainage--Pennsylvania--Ebensburg Region--Testing (1)
- Coalbed methane drainage--West Virginia (1)
- Coalbed methane drainage--West Virginia--Rotary drilling (1)
- Longwall mining--Pennsylvania--Ebensburg Region (1)
- Methane--United States (1)
- Mine ventilation (1)
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