Coal recovery from bituminous coal surface mines in the eastern United States : a survey /
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| Format: | Government Document Book |
| Language: | English |
| Series: | Information circular (United States. Bureau of Mines) ;
8738. |
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| Item Description: | Issued 1977. |
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| Physical Description: | 3 unnumbered pages, 14 pages : illustrations ; 26 cm. |