Investigation of longwall gateroad roof support characteristics of Powhatan no. 4 mine : instrumentation plan
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Author
Contributions
- Babich, D. R. - Contributor
- United States. Bureau of Mines - Contributor
Publication
1982 - U.S. Dept. of the Interior, Bureau of Mines, Pgh. [i.e. Pittsburgh], Pa, Pennsylvania
Language
English
Word Count
0 words, Guess
Page Count
0 pages
Identifiers
- Library of Congress Control Number81607792
- Open LibraryOL16805033M
Subjects
Topics
Caving miningSafety measuresCoal mines and miningGround control (Mining)Caving mining -- Safety measuresCoal mines and mining -- Safety measures
Series Statement
- Report of investigations -- 8628
- Report of investigations (United States. Bureau of Mines) -- 8628
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