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Design and development of a pneumatic vibrating-blade planer for mining phosphate rock:a progress report
| Author: | Howard, T. E. |
|---|---|
| Year: | 1956 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23:5219 |
| Series: | Report of investigations / Bureau of Mines ; |
| Report Number: | 5219 |
| Subjects: | Phosphate rock--West (U.S.) |
| Phosphate mines and mining--Equipment and supplies--Design | |
| Link: | https://hdl.handle.net/2027/mdp.39015078540500 |
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