Coordination of safety and employment

Author: Grove, G. W.
Year: 1939
Document Type: USBI
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.27:7079
Series: Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number: 7079
Subject: Mine safety
Link: https://hdl.handle.net/2027/mdp.39015077570458

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