Coal-mine mechanization and accident-frequency rates of hand and mechanical loading in Illinois

Author: Miller, A. U.
Year: 1939
Document Type: USBI
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
Series: Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number: 7063
Subject: Coal mines and mining--Illinois
Link: https://hdl.handle.net/2027/mdp.39015077570581

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