Advanced guidelines for performance testing of two-legged longwall shields
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Author
Publication
1989 - U.S. Dept. of the Interior, Bureau of Mines, Avondale, Md., Maryland
Language
English
Word Count
37,250 words, Guess
Page Count
149 pages
Identifiers
- Internet Archiveadvancedguidelin00barc
- Library of Congress Control Number89600167
- Open LibraryOL1811219M
Classifications
- DDC622 s
- DDC622/.334
- LCCTN295 .U4 no. 9231
and 1 more
- LCCTN288 .U4 no. 9231
Subjects
Topics
TestingStandardsLongwall miningGround control (Mining)Longwall mining -- StandardsGround control (Mining) -- Testing -- Standards
Series Statement
- Information circular ;
- 9231
- Information circular (United States. Bureau of Mines) ;
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