1International Development of Advanced Surface Mining Technology and the Prospect of Surface Mining in ChinaZHANG You-di1-32Determination of Reasonable Front Length in Wujiata Open-pit Coal MineSONG Zi-ling, BAI Run-cai, LIU Zhong-tian4-63Betterment Analysis of Mining Project in Heibaoshan Open-pit Coal Mine7-84Application of Underwater Controlling Demolition in Frusta Steel-cofferdam Construction of the Main Bridge9-115Technical Measures of Reducing Blasting Cost in Heibaoshan Open-pit Coal Mine12,156Strength Analysis and Application of Jointed Rockmass13-157Influence of Dumping Site Nearby Opencast Stope on the Stope Slope Stability16-188Application of Dewatering and Drainage Gather-control System in South Open-pit Coal Mine of Huolinhe19,229Research on Mechanism of Action of Water Table Decline Causing Surface Subsidence20-2210Problem Analysis of Dumping Plough over Loading in Yuanbaoshan Open-pit Coal Mine23-2511Development of 160kW Auto-transformer Vacuum Starter26-2712Upgrade and Transformation of Gather-control Station of Bucket System Heidaigou Open-pit Coal MineWANG Yan-hong28-29,4113Management of Drive Tail of Bucket System ConveyorZHANG Ji-dong30-30,3514Implemented Countermeasures and Total Technique Project of Digital Open-pit Coal Mine in ChinaSUN Xiao-yu, FENG Jian-hong, YANG Hong-xian, SUN Qing-shan31-3515Research on Actualizing ERP System Strategy in Coal EnterpriseYU Ben-hai36-3816Application of Landscape Ecology in Land Reclamation and Ecological Reconstruction in Mining Area39-4117Discussion on Coal Safety Management to Safety Psychology StandpointYe Nan42-43,4618Probing into Re-employment Problem of Unemployed Person in Mining City44-4619Project Risk and the CountermeasuresWANG Shan-Li47-48 