Short-delay blasting in underground coal mines
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Author
Contributions
- Verakis, Harry C., 1942- - Contributor
- United States. Bureau of Mines. - Contributor
Publication
1986 - U.S. Dept. of the Interior, Bureau of Mines, Pittsburgh, Pa, Pennsylvania
Language
English
Word Count
3,000 words, Guess
Page Count
12 pages
Identifiers
- Library of Congress Control Number85600287
- Open LibraryOL15329769M
Classifications
- DDC622 s
- DDC622/.334
Subjects
Series Statement
- Information circular -- 9064.
- Information circular (United States. Bureau of Mines) -- 9064.
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