Three coal mine gob degasification studies using surface boreholes and a bleeder system /
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| Format: | Government Document Book |
| Language: | English |
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[Washington, D.C.?] :
U.S. Dept. of the Interior, Bureau of Mines,
1980.
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| Series: | Report of investigations (United States. Bureau of Mines) ;
8459. |
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| Physical Description: | 10 pages : illustrations ; 27 cm. |
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| Bibliography: | Bibliography: page 10. |