Author: | Roepke, Wallace W. |
---|---|
Additional Authors: | Voltz, Jon I. |
Year: | 1983 |
Document Type: | BMRA |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.23:8800 |
Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
Report Number: | 8800 |
Subjects: | Coal mines and mining |
Mine dusts | |
Coal-cutting bits--Testing | |
Link: | https://hdl.handle.net/2027/mdp.39015078477505 |