karst in limestone quarry china

karst in limestone quarry china

10-15 October HIS GUILIN.CHINA CONFLICT BETWEEN GROUNDWATER EXPLOITATION AND LIMESTONE QUARRYING IN THE KARST REGION OF WARSTEIN (FEDERAL REPUBLIC OF GERMANY) /& l# W -r J/ C 4 %L ?4# A m "ffi «L SwSf WMm *2§ ^%%i Jïr «5r &* «y <^ÈT i® Gert Michel, Geological Survey of Northrhine-Westfalia, De-Greiff-Sîr. 195, D-4150 Krefeld, and

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