Author: | Coffman, Joseph S. |
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Year: | 1984 |
Document Type: | N/A |
SUDOC: | I 28.27:8978 |
Series: | United States Bureau of Mines Reports |
Report Number: | I. C. 8978 |
Subjects: | Manganese industry. |
Manganese mines and mining. | |
Link: | http://digital.library.unt.edu/ark:/67531/metadc67164/ |