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3 results returnedTimbering along the robbing line :factors influencing falls of roof in coal mines
Stop, look and listen! :the roof is going to fall
Effects of time between exposure and support on mine roof stability, Bear Coal Mine, Somerset, Colo.
Published Year
Subject
- Coal mines and mining--Safety measures (3) *
- Mine timbering (3) *
- Mining engineering (1)
- Rock mechanics (1)
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