speechhypothesis about vaal riverShare on FacebookShare on Twitter112IMAGESMajor dams in the Integrated Vaal River System (IVRS) (note: their1: The Vaal River catchment area. Source: DWAF (2002)Vaal River study area: (a) topography, (b) zonal slope, (c) satellite1: The Vaal River catchment area. Source: DWAF (2002)Vaal River AfricaVaal River
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