| Author: | Cash, Frank E. |
|---|---|
| Year: | 1945 |
| Document Type: | N/A |
| SUDOC: | I 28.27:7321 |
| Series: | Information circular (United States. Bureau of Mines) |
| Report Number: | I. C. 7321 |
| Subjects: | Iron mines and mining -- Accidents -- Michigan. |
| Iron mines and mining -- Accidents -- Minnesota. | |
| Iron mines and mining -- Accidents -- Wisconsin. | |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc67032/ |