Hodgson, F. D. I.Usher, B. H.2018-04-052018-04-052003-05http://hdl.handle.net/11660/8114Abstract not availableenAcid mine drainage -- South AfricaWater -- Pollution -- South AfricaWater chemistryMines and mineral resources -- Environmental aspects -- South AfricaThesis (Ph.D. (Geohydrology))--University of the Free State, 2003The development and evaluation of hydrogeochemical prediction techniques for South African coalminesThesisUniversity of the Free State