Author: | Houk, Lawrence G. |
---|---|
Year: | 1943 |
Document Type: | USBI |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.27:7233 |
Series: | Information circular / United States Department of the Interior, Bureau of Mines ; |
Report Number: | 7233 |
Subjects: | Rare earth metals |
Thorium ores | |
Cerium | |
Monazite | |
Phosphate minerals | |
Link: | https://hdl.handle.net/2027/mdp.39015077570789 |