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Drilling and Blasting in Metal-Mine Drifts and Crosscuts
| Author: | Gardner, E. D. |
|---|---|
| Year: | 1929 |
| Document Type: | N/A |
| Issuing Agency: | United States. Bureau of Mines. |
| Series: | United States Bureau of Mines Reports |
| Report Number: | Bulletin 311 |
| Link: | https://digital.library.unt.edu/ark:/67531/metadc12483/ |
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