National first-aid and mine rescue contest : Columbus, Ohio, October 2, 3, and 4, 1951 / by W.H. Tomlinson.
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Corporate Authors: | , |
Format: | Government Document Conference Proceeding Book |
Language: | English |
Published: |
[Washington] :
U.S. Dept. of the Interior, Bureau of Mines,
1953.
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Series: | Information circular (United States. Bureau of Mines) ;
7658. |
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