| Author: | Lawrence, H. M. |
|---|---|
| Additional Authors: | Roca, E. |
| Year: | 1931 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | C 22.12:3105 |
| Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 3105 |
| Subjects: | Flotation |
| Phosphate mines and mining--Florida | |
| Phosphate rock--Florida--Purification | |
| Link: | https://hdl.handle.net/2027/mdp.39015077567124 |