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Research on safety mining boundary of coal mining above limestone with pressurized water in Gaokeng Mine Field

WEN Ji-ping~(1),ZHANG Gan-ping~(2),LI Yuan-qiu~(1),QI Jing-sheng~(1)(1.Pingxiang Coal Mining Group Corporation Ltd.,Pingxiang 337003,China;2.Jiangxi Provincial Coal Group Corporation.Nanchang 330002,China)  
The paper had a analysis study on the safety mining boundary of the coal mining above limestone with pressurized water in Gaokeng Coal Field.The paper provided the certain mining method,which could have the good reference value to the safety mining above pressurized water bogy.
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