vlakfontein coal open pit underground mine
Jun 14, 2013 . proposes to conduct underground mining on the farm Morgenster .. open pit mining, due to the depths of the coal seam, underground bord and pillar methods, .. Randwater Vlakfontein Mamelodi water pipeline survey,. group coal resource and coal reserve 2016 Keaton Energy. Aug 30, 2016 . enable coal quality modelling.