| Author: | Schaus, O. M. | 
|---|---|
| Year: | 1930 | 
| Document Type: | MAIN | 
| Issuing Agency: | U.S. Dept. of Commerce, Bureau of Mines, | 
| SUDOC: | C 22.11:6369 | 
| Series: | Information circular / United States Department of Commerce, Bureau of Mines ; | 
| Report Number: | 6369 | 
| Subject: | Iron mines and mining--Wisconsin | 
| Link: | https://hdl.handle.net/2027/mdp.39015095084706 |