| Author: | Owings, C. W. |
|---|---|
| Year: | 1956 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:7760 |
| Series: | Information circular / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 7760 |
| Subjects: | Quarries and quarrying--Dust control--United States |
| Tunneling--Dust control--United States | |
| Mines and mineral resources--Dust control--United States | |
| Link: | https://hdl.handle.net/2027/mdp.39015078460170 |