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Sealing a coal-mine passageway through a borehole :a progress report
Ignition and control of burning of coal mine refuse
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Published Year
1960-1969 (2)
Subject
Coal mines and mining (2) *
Coal mines and mining--Waste disposal (1)
Mine fires--Prevention and control (1)
Author
Murphy, Edwin M. (2) *
Griffith, F. E. (1)
Mitchell, Donald W. (1)
Myers, James W. (1)
Nagy, John. (1)
Pfeiffer, Joseph J. (1)
