| Author: | Gandrud, B. W. | 
|---|---|
| Additional Authors: | Followill, B. S., Richardson A. C. | 
| Year: | 1934 | 
| Document Type: | BMRA | 
| Issuing Agency: | [U.S. Dept. of Commerce], Bureau of Mines, | 
| SUDOC: | C 22.12:3224 | 
| Series: | Report of investigations / United States Department of Commerce, Bureau of Mines ; | 
| Report Number: | 3224 | 
| Subject: | Iron ore | 
| Link: | https://hdl.handle.net/2027/mdp.39015077563164 |