 |
|
Respirable dust levels in coal, metal, and nonmetal mines
| Author: | Watts, W. F. |
|---|---|
| Additional Authors: | Parker, D. R. |
| Year: | 1987 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:9125. |
| Series: | Information circular ; |
| Report Number: | 9125 |
| Subjects: | Coal mines and mining--Dust control--Standards--United States |
| Mine dusts--Standards--United States | |
| Link: | https://hdl.handle.net/2027/mdp.39015078462713 |
Search developed and maintained by the University of Washington Libraries
Copyright 2010