| Author: | Johnson, John A. |
|---|---|
| Additional Authors: | Cash, Frank E. |
| Year: | 1948 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:7458 |
| Series: | Information circular / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 7458 |
| Subjects: | Strip mining--Lake States--Equipment and supplies |
| Iron mines and mining--Lake States--Equipment and supplies | |
| Mine haulage--Equipment and supplies | |
| Link: | https://hdl.handle.net/2027/mdp.39015077578428 |