Author: | Harrington, D. |
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Year: | 1938 |
Document Type: | USBI |
Issuing Agency: | U. S. Bureau of Mines, |
SUDOC: | I 28.27:7041 |
Series: | Information circular / United States. Bureau of Mines ; |
Report Number: | 7041. |
Subjects: | Coal mines and mining--Dust control |
Mine explosions--Prevention and control | |
Mine dusts--Safety measures | |
Link: | https://hdl.handle.net/2027/mdp.39015077575226 |