Smooth transfer from open-pit mining to underground mining

Mining Engineering（2006）

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摘要

Open-pit mining to be transferred into underground mining is an issue many large or middle-sized mines have to face early or late.The experience of smooth transfer of Shangqing Iron ore Mine of Banshi Mining Company are introduced,which can be taken for reference by Yanqianshan Iron Ore Mine.

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关键词

underground mining,smooth transfer,open-pit

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