Control of methane by ventilation of shafts during raise drilling
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Author
Contributions
- United States. Bureau of Mines. - Contributor
Publication
1981 - United States Dept. of the Interior, Bureau of Mines, Washington, District of Columbia
Language
English
Word Count
2,750 words, Guess
Page Count
11 pages
Identifiers
- Internet Archivecontrolofmethane00maks
- Library of Congress Control Number80606851
- Open LibraryOL4239608M
Classifications
- DDC622 s
- DDC622/.8
- LCCTN295 .U4 no. 8847
Subjects
Topics
MethaneRaise drillingSafety measuresMine ventilationCoal mines and miningRaise drilling -- Safety measuresCoal mines and mining -- Safety measures
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