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Administration of Federal Coal Mine Safety Act
Activities of Coal Mine Inspection Branch that had favorable effect on health, safety and injuries at coal mines.
Administration of Federal Coal Mine Safety Act
Activities of Coal Mine Inspection Branch that had favorable effect on health, safety and injuries at coal mines.
Administration of Federal Coal Mine Safety Act
U S Bur Mines -- Information Cir
Westfield, J. (Autor:in) / Weaver, H.F. (Autor:in) / Keenan, C.M. (Autor:in)
1954
76 pages
Statistics
Report
Englisch
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Administration of federal coal-mine safety act, 1952-61
Engineering Index Backfile | 1962
Administration of federal coal-mine safety act, 1952-62
Engineering Index Backfile | 1963
|Administration of federal coal-mine safety act, calendar year 1957
Engineering Index Backfile | 1958
|