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    • Groundwater monitoring during underground coal gasification 

      Van Dyk, J.C.; Strydom, C.A.; Waanders, F.B.; Brand, J. (SAIMM, 2018)
      Underground coal gasification (UCG) is a fast-emerging, in situ mining technology that provides access to low-cost energy through the utilization of coal reserves that are currently not technically or economically exploitable ...