Evaluation of Ordovician Limestone Water Inrush Risk Zoning for First Working Face under High Pressure of Deep Under-group Coal Mining

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Evaluation of Ordovician Limestone Water Inrush Risk Zoning for First Working Face under High Pressure of Deep Under-group Coal Mining

LIU Bin, ZHU Shu-Yun, LIU Jun, SONG Shu-Guang, WANG Cheng-Tian

Metal Mine . 2014, (05): 146 -150 .