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Are new hazards being introduced in coal mines faster than existing hazards are eliminated
Humidity :a cyclic effect in coal mine roof stability
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Published Year
1940-1949 (1)
1970-1979 (1)
Subject
Coal mine accidents (2)
Coal mines and mining--Accidents (2) *
Coal mines and mining--Safety measures (1)
Humidity (1)
Rock bursts (1)
Author
Harrington, D. (1)
Radcliffe, Daryl E., (1)
Stateham, Raymond M. (1)
