Mine safety devices developed by the United States Bureau of mines.
By Van. H. Manning ...
APA Citation
Manning, V. Hartrog., United States. Bureau of Mines. Mine safety devices developed by the United States Bureau of mines. .
MLA Citation
Manning, Vannoy Hartrog, 1861-1932, and United States. Bureau of Mines. Mine Safety Devices Developed by the United States Bureau of Mines. ,
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