Proposed Rehabilitation of the Railway at the Poort Section in the Colbyn Valley Wetland (Slope Failure at 8.8 KM Hartbeesfontein – Koedoespoort). Preliminary Study Wetland Consulting Services (PTY.) Ltd (2000) Report Ref: COL01/35/200 Google Scholar Harenda et al., 2018 K.M. Harenda, ...