Occurrence and recovery of certain minor metals in the smelting-refining of copper /
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| Format: | Government Document Book |
| Language: | English |
| Series: | Information circular (United States. Bureau of Mines) ;
8778. |
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| Physical Description: | 2 unnumbered pages, v, 79 pages : illustrations, map ; 26 cm. |
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| Bibliography: | Bibliography: pages 71-79. |