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2 results returnedInfluence of overlying strata on methane emissions in a northern West Virginia coal mine
Ground control study of a mechanized longwall coal operation in West Virginia
Published Year
Subject
- Coal mines and mining--West Virginia--Safety measures (2) *
- Coalbed methane drainage--West Virginia (1)
- Ground control (Mining)--West Virginia--Safety measures (1)
- Longwall mining--West Virginia--Safety measures (1)
- Sandstone--West Virginia (1)
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