| Author: | Johnson, Robert C. |
|---|---|
| Additional Authors: | Lorenz, Walter C., Sweeney, John W., |
| Year: | 1973 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:8566 |
| Series: | Information circular / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 8566 |
| Subjects: | Phosphate rock |
| Fluorine | |
| Calcium fluoride | |
| Aluminum fluoride | |
| Link: | https://hdl.handle.net/2027/mdp.39015078516047 |