Maksimovic, S. D.
Three coal mine gob degasification studies using surface foreholes and a bleeder system / by S. D. Maksimovic and Fred N. Kissell. - [Washington, D.C.] : U.S. Dept. of the Interior, Bureau of Mines, 1980. - 10 p. : ill. ; 27 cm. - Report of investigations ; 8459 . - Report of investigations (United States. Bureau of Mines) ; 8459. .
Bibliography: p. 10.
80607066
Coal mines and mining--Safety measures.
Mine gases.
Mine ventilation.
TN23 TN295 / .U43 no. 8459
622 s 622/.8
I 28.23:
Three coal mine gob degasification studies using surface foreholes and a bleeder system / by S. D. Maksimovic and Fred N. Kissell. - [Washington, D.C.] : U.S. Dept. of the Interior, Bureau of Mines, 1980. - 10 p. : ill. ; 27 cm. - Report of investigations ; 8459 . - Report of investigations (United States. Bureau of Mines) ; 8459. .
Bibliography: p. 10.
80607066
Coal mines and mining--Safety measures.
Mine gases.
Mine ventilation.
TN23 TN295 / .U43 no. 8459
622 s 622/.8
I 28.23: