Author: | Tomlinson, Walter H. |
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Year: | 1962 |
Document Type: | USBI |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines |
SUDOC: | I 28.27:8066 |
Series: | [United States] Bureau of Mines. Information circular 8066 |
Subjects: | Coal mines and mining--Safety measures |
Coal mine accidents | |
Link: | https://hdl.handle.net/2027/mdp.39015078461319 |