A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Administration of federal coal-mine safety act, calendar year 1957
Activities of Div of Coal-Mine Inspection that have had favorable effect on health, safety, and reduction of injuries at coal mines.
Administration of federal coal-mine safety act, calendar year 1957
Activities of Div of Coal-Mine Inspection that have had favorable effect on health, safety, and reduction of injuries at coal mines.
Administration of federal coal-mine safety act, calendar year 1957
U S Bur Mines -- Information Cir
Westfield, J. (author) / Weaver, H.F. (author) / Keenan, C.M. (author)
1958
60 pages
Report
English
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Administration of Federal Coal Mine Safety Act
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Administration of federal coal-mine safety act, 1952-62
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