| Author: | Peterson, B. C. |
|---|---|
| Additional Authors: | Beck, William A., Nelson, E. R. |
| Year: | 1962 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:8044 |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 8044 |
| Subjects: | Industries--Michigan--Cost effectiveness |
| Mines and mineral resources--Michigan--Cost effectiveness | |
| Copper mines and mining--Michigan--Cost control | |
| Link: | https://hdl.handle.net/2027/mdp.39015078461376 |