| Author: | Back, A. E. | 
|---|---|
| Additional Authors: | Ravitz, S. F., Tame, Kenneth E. | 
| Year: | 1952 | 
| Document Type: | BMRA | 
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, | 
| SUDOC: | I 28.23:4931 | 
| Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; | 
| Report Number: | 4931 | 
| Subjects: | Manganese ores | 
| Leaching | |
| Sulfur dioxide | |
| Link: | https://hdl.handle.net/2027/mdp.39015078478933 |