Improved drilling of coal measure rocks for underground mine void detection and exploration programs
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Author
Contributions
- Tuzinski, Patrick A. - Contributor
- Pahlman, J. E. - Contributor
Publication
1991 - Bureau of Mines, United States Dept. of the Interior, Washington, DC, District of Columbia
Language
English
Word Count
7,000 words, Guess
Page Count
28 pages
Identifiers
- Library of Congress Control Number91008575
- Open LibraryOL22073799M
Classifications
- LCCTN23 .U43
Subjects
Topics
Series Statement
- Report of investigations (United States. Bureau of Mines) -- 9370
Other Editions
- Improved drilling of coal measure rocks for underground mine void detection and exploration programs
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