rand london coal mining in south africa
rand london coal mining in south africa .quarry crusher price in the south africa. East Rand Mine - Wikipedia. East Rand Proprietary Mines (ERPM) is a 125-year-old underground gold mining operation on the Witwatersrand Basin at Boksburg, to the east of Johannesburg.The mine employed 3,850 people. It was the deepest mine in the world until 2008 at 3,585 metres depth, slightly more than ...