Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Mine water problems of Pennsylvania anthracite region
Problem of drainage in closed anthracite mines; relation of drainage problems to geologic structures, rainfall, and infiltrations; functions of barrier pillars; legislative action and flood control program.
Mine water problems of Pennsylvania anthracite region
Problem of drainage in closed anthracite mines; relation of drainage problems to geologic structures, rainfall, and infiltrations; functions of barrier pillars; legislative action and flood control program.
Mine water problems of Pennsylvania anthracite region
Min Eng
Dierks, H.A. (Autor:in)
1957
5 pages
Aufsatz (Zeitschrift)
Englisch
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