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2 results returnedGeologic structures in coal mine roof
A guide to geologic features in coal mines in the northern Appalachian coal basin
Published Year
Subject
- Coal mines and mining--Appalachian Region--Safety measures (2) *
- Coal--Geology--Appalachian Region (2)
- Ground control (Mining)--Appalachian Region (1)
- Mine roof control (1)
- Rock bursts (1)
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