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Preparation characteristics of Pennsylvania anthracite from the Kidney Seam, Northern Field
Preparation characteristics of Pennsylvania anthracite from the Kidney Seam, Northern Field
Preparation characteristics of Pennsylvania anthracite from the Kidney Seam, Northern Field
Zeilinger, John E. (Autor:in) / Deurbrouck, Albert W. (Autor:in)
Report of investigations ; 7364
1970
19 S.
Langzeitarchivierung durch Technische Informationsbibliothek (TIB) / Leibniz-Informationszentrum Technik und Naturwissenschaften und Universitätsbibliothek
Buch
Englisch
Ventilation at anthracite collieries of Northern Pennsylvania Field
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|Inundated anthracite reserves: Eastern Middle field of Pennsylvania
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|Barrier pillars in southern field, anthracite region of Pennsylvania
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