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2 coal seam roof - PowerPoint PPT Presentation

GUIDELINES TO HOT HOLE DRILLING AND BLASTING

GUIDELINES TO HOT HOLE DRILLING AND BLASTING. COALTECH HOT HOLE BLASTING WORKSHOP MIDDELBURG MINES 4 July 2008. Mine Layout & Key Infrastructure. 30000E. 40000E. 50000E. LEGEND. Draglines. Middelburg. Nelspruit. Uitkyk. Mined out Reserves Reserves. 5011 5012 5013 5014 5015

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2 coal seam roof - PowerPoint PPT Presentation

GUIDELINES TO HOT HOLE DRILLING AND BLASTING