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Methane accumulations in coal mine roof cavities
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Published Year
1970-1979 (1)
Subject
Coal mines and mining--Safety measures (1)
Methane--Measurement (1)
Mine explosions (1)
Mine gases (1) *
Author
Kissell, Fred N. (1)
Thimons, Edward D., (1) *
Vinson, Robert P. (1)
