Author: | Grove, G. W. |
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Additional Authors: | Quenon, E. E. |
Year: | 1947 |
Document Type: | USBI |
Issuing Agency: | Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.27:7413 |
Series: | Information circular / United States. Bureau of Mines ; |
Report Number: | 7413 |
Subject: | Mine safety--Equipment and supplies |
Link: | https://hdl.handle.net/2027/mdp.39015077577388 |