| Author: | Sullivan, John D. | 
|---|---|
| Year: | 1931 | 
| Document Type: | USBI | 
| Issuing Agency: | U.S. Dept. of Commerce, Bureau of Mines, | 
| SUDOC: | C 22.11:6425 | 
| Series: | Information circular / Bureau of Mines ; | 
| Report Number: | 6425 | 
| Subjects: | Leaching | 
| Copper ores | |
| Link: | https://hdl.handle.net/2027/mdp.39015077577321 |