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Author
Contributions
- Beus, Michael J. - Contributor
Publication
1987 - U.S. Dept of the Interior, Bureau of Mines, Pittsburgh, Pa. (Cochrans Mill Road, P.O. Box 18070, Pittsburgh, Pa. 15236), Pennsylvania
Language
English
Word Count
3,000 words, Guess
Page Count
12 pages
Identifiers
- Library of Congress Control Number87600082
- Open LibraryOL2493168M
Classifications
- DDC622/.25
- LCCTN23 .U43 no. 9108
- LCCTN288 .U43 no. 9108
Subjects
Topics
Places
Series Statement
- Report of investigations ;
- 9108
- Report of investigations (United States. Bureau of Mines) ;
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