Time required in developing selected Arizona copper mines /
| Main Author: | |
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| Corporate Author: | |
| Format: | Government Document Book |
| Language: | English |
| Series: | Information circular (United States. Bureau of Mines) ;
8702. |
| Subjects: |
| Item Description: | Chiefly tables. |
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| Physical Description: | 2 unnumbered pages, ii, 144 pages : illustrations, maps ; 26 cm. |
| Bibliography: | Includes bibliographies. |