Year: | 1971 |
---|---|
Document Type: | USBI |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.27:8503 |
Series: | Information circular / United States. Bureau of Mines ; |
Report Number: | 8503 |
Subjects: | Mine dusts |
Mine safety | |
Lungs--Dust diseases | |
Mine safety--technical manuals | |
Link: | https://hdl.handle.net/2027/mdp.39015078514703 |