Author: | Strebig, Kelly C. |
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Additional Authors: | Zeller, H. William, |
Year: | 1975 |
Document Type: | BMRA |
Issuing Agency: | Bureau of Mines, |
SUDOC: | I 28.23:8042 |
Series: | Report of investigations / Bureau of Mines ; |
Report Number: | 8042 |
Subjects: | Coal mines and mining--Dust control |
Cutting machines | |
Bits (Drilling and boring) | |
Link: | https://hdl.handle.net/2027/mdp.39015078484725 |