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Hydraulic stimulation of a surface borehole for gob degasification
Three coal mine gob degasification studies using surface boreholes and a bleeder system
Control of methane by ventilation of shafts during raise drilling
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Published Year
1970-1979 (1)
1980-1989 (2)
Subject
Coal mines and mining--Safety measures (3)
Mine ventilation (3) *
Methane (2)
Mine gases (2)
Raise drilling--Safety measures (1)
Author
Maksimovic, S. D. (3) *
Kissell, Fred N. (2)
Elder, C. H. (1)
