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AccordingtosourcesfromCNPC,ahugecoalbedgasfield,coveringagas-bearingareaof1768km2andpossessingresourcesofover400billioncubicmeters,hastakenitsshapeinQinshuiofShanxiProvince.Thepresentprovengasreservesstandat47.4billioncubicmetersandtheprobablegasrese...