Departement Publieke WerkenPublieke Werke Dept.Wierda, Sytze Wopkes, 1839-19112014-08-262014-08-261898-04-292014-08-26http://hdl.handle.net/2263/41695Digitised version of National Archive File S.1/77. Sketch plan depicting the utilization of the natural water source located at Kwaggaspoort, Pretoria, signed by "S.W. Wierda, Hoofd, Publieke Werken"PlanPDF, JPEGNational Archives; Digital rights: University of PretoriaKwaggaspoortWater sourceWellOpname van de bron by Quaggaspoort ten behoeve der waterleidingWater resource, Kwaggaspoort, Pretoria [Survey of the well at Kwaggaspoort for the water conduit]Plan or blueprint