| Author: | Williams, Kenneth L., | 
|---|---|
| Additional Authors: | Timko, Robert J. | 
| Year: | 1984 | 
| Document Type: | USBI | 
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, | 
| SUDOC: | I 28.27:8968. | 
| Series: | Information circular ; | 
| Report Number: | 8968 | 
| Subjects: | Aerosols--Measurement--Instruments | 
| Mine dusts--Measurement--Instruments | |
| Link: | https://hdl.handle.net/2027/mdp.39015078460444 |