There are around 1,000 pillars similar to this one left in the mine. Many contain significant quantities of high grade ore (the black band on this one contains around 45% Zn). We intend to remove a significant proportion of the pillars not needed for the roof support and recover around 1 million tons of high grade ore. © Black Angel Mining Ltd. Used with permission.
This photograph is by carnkie and was uploaded August 25th 2008. © carnkie please do not copy or distribute without prior express permission.
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