Technical Scheme for Recovering the Remaining Ore in Open-pit Slope in the Overlying-Bed Formation by Caving in Transition to Underground Mining

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Technical Scheme for Recovering the Remaining Ore in Open-pit Slope in the Overlying-Bed Formation by Caving in Transition to Underground Mining

HUANG Zheng-Quan, LI Jian-Qi, 吕Bao

Metal Mine . 2009, (06): 18 -20 .