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high wall mining in indai ppt

Mar 13 2012 · Highwall mining 1 PRESENTATION ON Highwall Mining I Satyanarayana MBAMCADy 2 High Wall Mining Technology• Highwall Mining is a remotely controlled mining method which extracts coal from the face of a coal seam under a highwall in a surface mine which has reached the final highwall position due to uneconomic stripping ratios

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