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Metal-Mining Practice
| Author: | Jackson, Charles F. |
|---|---|
| Year: | 1939 |
| Document Type: | N/A |
| SUDOC: | TN 23 U4 |
| Series: | United States Bureau of Mines Reports |
| Report Number: | USBM Bulletin 419 |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc70488/ |
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