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Quaternary Drainage/Catchment Regions for the Western Cape. The development of a hydrologically improved Digital Elevation Model and derived products for the Western Cape based on the SRTM DEM. Water Research Commission, Research Report No.1908/1/11, Pretoria. DWS publication date is 2012 with minor updates done in 2018.Data sourced from DWS on 26 October 2020.FIDInternal IDP_CATCH_NOPrimary Catchment NumberLINE_IDLine IDID_DESCRIPID DescriptionDAM_NAMEDam NameMAPSHEET501:50 000 map sheet numberDATECREATEDate CreatedShape_STLeShape length in Decimal DegreesShape_ST_1Shape area in Decimal Degrees |