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Experience of Consolidated Coal Co, with statistical comparison. Before Am Min Congress. (mtgs June 5-7 and Nov 6 1931)
Experience of Consolidated Coal Co, with statistical comparison. Before Am Min Congress. (mtgs June 5-7 and Nov 6 1931)
Safety and mechanical mining
Ill Min Inst -- Proc
Jenkins, W.J. (Autor:in)
1931
3 pages
Aufsatz (Zeitschrift)
Englisch
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Timbering for safety in mechanical mining
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