Three coal mine gob degasification studies using surface boreholes and a bleeder system

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100 1 ‡aMaksimovic, S. D.
245 1 0 ‡aThree coal mine gob degasification studies using surface boreholes and a bleeder system / ‡cby S.D. Maksimovic and Fred N. Kissell.
260 ‡a[Washington, D.C.] : ‡bU.S. Dept. of the Interior, Bureau of Mines, ‡c1980.
300 ‡a10 p. : ‡bill. ; ‡c27 cm.
490 0 ‡aReport of investigations / U.S. Dept. of the Interior, Bureau of Mines ; ‡v8459
504 ‡aIncludes bibliographical references (p. 10).
538 ‡aMode of access: Internet.
650 0 ‡aMine ventilation.
650 0 ‡aMine gases.
650 0 ‡aCoal mines and mining ‡xSafety measures.
700 1 ‡aKissell, Fred N.
899 ‡a39015078465963
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