Creamer Media's Shannon de Ryhove speaks to Mining Weekly editor Martin Creamer about an underground coal gasification project in the Free State.
https://www.engineeringnews.co.za/article/second-take-underground-coal-gas-project-2013-04-26
26th April 2013 By: Shannon de Ryhove - Contributing Editor
Creamer Media's Shannon de Ryhove speaks to Mining Weekly editor Martin Creamer about an underground coal gasification project in the Free State.