| Author: | Parker, John G. |
|---|---|
| Year: | 1979 |
| Document Type: | USBI |
| Issuing Agency: | Dept. of the Interior, Bureau of Mines : |
| SUDOC: | I 28.27:8790 |
| Series: | Information circular - Bureau of Mines ; |
| Report Number: | 8790 |
| Subjects: | Nonferrous metals |
| Zinc industry and trade--By-products | |
| Lead industry and trade--By-products | |
| Link: | https://hdl.handle.net/2027/mdp.39015078460972 |