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Record Nr. |
UNINA9910689942003321 |
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Autore |
Wood Gordon H (Gordon Harry), <1919-> |
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Titolo |
Coal resource classification system of the U.S. Geological Survey / / by Gordon H. Wood, Jr. [and three others] |
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Pubbl/distr/stampa |
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[Reston, Virginia] : , : U.S. Department of the Interior, U.S. Geological Survey, , 1983 |
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[Washgington, D.C.] : , : United States Government Printing Office, , 1992 |
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Descrizione fisica |
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1 online resource (vii, 65 pages) : illustrations, maps |
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Collana |
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Geological Survey circular ; ; 891 |
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Soggetti |
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Coal mines and mining - United States - Classification |
Coal mines and mining |
United States |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Nota di bibliografia |
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Includes bibliographical references (pages 64-65). |
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