Author: | Organiscak, John A. |
---|---|
Additional Authors: | Jankowski, Robert A., Page, Steven J. |
Year: | 1992 |
Document Type: | BMRA |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.23:9425 |
Series: | Report of investigations / Bureau of Mines ; |
Report Number: | 9425 |
Subjects: | Coal mines and mining--Dust control |
Bituminous coal--United States | |
Longwall mining--Environmental aspects--United States | |
Links: | https://hdl.handle.net/2027/mdp.39015077558818 |
no.9425 1992 |