| Author: | Perkins, Edward C. | 
|---|---|
| Additional Authors: | Novielli, Frank, | 
| Year: | 1962 | 
| Document Type: | BMRA | 
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, | 
| SUDOC: | I 28.23:6102 | 
| Series: | Report of investigations / United States. Bureau of Mines ; | 
| Report Number: | 6102 | 
| Subjects: | Manganese ores | 
| Leaching | |
| Link: | https://hdl.handle.net/2027/mdp.39015078481754 |