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.

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Mining and Metallurgical Engineering ›› 2019, Vol. 39 ›› Issue (2) : 24-29. DOI: 10.3969/j.issn.0253-6099.2019.02.006

Reasonable Thickness of Crown Pillar for Transition from Open-pit to Underground Mining in Gushan Iron Mine

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{{article.zuoZheEn_L}}. {{article.title_en}}[J]. {{journal.qiKanMingCheng_EN}}, 2019, 39(2): 24-29 https://doi.org/10.3969/j.issn.0253-6099.2019.02.006

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