| Author: | Parker, John G., |
|---|---|
| Additional Authors: | Baroch, Charles T., |
| Year: | 1971 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Bureau of Mines; |
| SUDOC: | I 28.27:8476 |
| Series: | Bureau of Mines. Information circular |
| Report Number: | 8476 |
| Subjects: | Rare earth metals |
| Thorium | |
| Yttrium | |
| Link: | https://hdl.handle.net/2027/mdp.39015078461939 |