Toward Pillar Design to Prevent Collapse of Room-and-Pillar Mines - Room and pillar - Document - PDFSEARCH.IO

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	Toward Pillar Design to Prevent Collapse of Room-and-Pillar Mines Add to Reading List Document Date: 2012-08-30 15:10:16 Open Document File Size: 865,21 KB Share Result on Facebook

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Toward Pillar Design to Prevent Collapse of Room-and-Pillar MinesAdd to Reading List