Safety evaluations of longwall roof supports
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Author
Publication
1989 - U.S. Dept. of the Interior, Bureau of Mines, Washington, DC, District of Columbia
Language
English
Word Count
4,250 words, Guess
Page Count
17 pages
Identifiers
- Internet Archivesafetyevaluation00barc
- Library of Congress Control Number89600003
- Open LibraryOL1811083M
Classifications
- DDC622 s
- DDC622/.334
- LCCTN295 .U4 no. 9221
and 1 more
- LCCTN288 .U4 no. 9221
Subjects
Topics
Other Editions
- Safety evaluations of longwall roof supports
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