Sources of Limestone, Gypsum, and Anhydrite for Dusting Coal Mines to Prevent Explosions
| Author: | Bowles, Oliver |
|---|---|
| Year: | 1925 |
| Document Type: | N/A |
| Issuing Agency: | United States. Bureau of Mines. |
| Series: | United States Bureau of Mines Reports |
| Report Number: | Bulletin 247 |
| Link: | https://digital.library.unt.edu/ark:/67531/metadc12427/ |