
Reasonable Thickness of Crown Pillar for Transition from Open-pit to Underground Mining in Gushan Iron Mine
LONG Zhou-biao, HAN Li-jun, MENG Qing-bin, LI Xing-quan, LIU Xiao-shuai, TAO Lu
Mining and Metallurgical Engineering ›› 2019, Vol. 39 ›› Issue (2) : 24-29.
Reasonable Thickness of Crown Pillar for Transition from Open-pit to Underground Mining in Gushan Iron Mine
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