| Author: | Sayers, R. R. |
|---|---|
| Additional Authors: | Davenport, Sara J. |
| Year: | 1945 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:7311 |
| Series: | Information circular ; |
| Report Number: | 7311 |
| Subjects: | Mineral industries--Environmental aspects |
| Hydrogen fluoride--Physiological effect | |
| Mineral industries--Health and hygiene | |
| Link: | https://hdl.handle.net/2027/mdp.39015074127401 |