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Economic evaluation of borehole and conventional mining systems in phosphate deposits
| Author: | Hrabik, Joseph A. |
|---|---|
| Additional Authors: | Godesky, Douglas J. |
| Year: | 1983 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:8929 |
| Series: | Information circular / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 8929 |
| Subjects: | Borehole mining |
| Phosphate mines and mining | |
| Link: | https://hdl.handle.net/2027/mdp.39015078455139 |
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