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Coal resource classification system of the U.S. Bureau of Mines and U.S. Geological Survey : a report
- Author / Creator
- Available as
- Online
- Physical
Details
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- Creator
- published jointly by the U.S. Bureau of Mines and U.S. Geological Survey
- Format
- Books
- Language
- English
- Contributors
- Publication
-
- Washington : U.S. Govt. Print. Off., 1976
- Physical Details
-
- v, 7 pages : illustration ; 23 cm
- OCLC
- ocm02984801, ocm55792121
- "Definitions of coal resource classification terms used by the U.S. Bureau of Mines and U.S. Geological Survey."
- "A report published jointly by the U.S. Bureau of Mines and U.S. Geological Survey."