Cutter roof failure
six case studies in the Northern Appalachian Coal Basin
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Author
Publication
1990 - U.S. Dept. of the Interior, Bureau of Mines, Washington, D.C., District of Columbia
Language
English
Word Count
4,500 words, Guess
Page Count
18 pages
Identifiers
- Library of Congress Control Number90002267
- Open LibraryOL1850762M
Classifications
- DDC622 s
- DDC622/.334
- LCCTN295 .U4 no. 9266
and 1 more
- LCCTN288 .U4 no. 9266
Subjects
Series Statement
- Information circular ;
- 9266
- Information circular (United States. Bureau of Mines) ;
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