Departement Publieke WerkenPublieke Werke Dept.Wierda, Sytze Wopkes, 1839-19112014-08-262014-08-261891-022014-08-26http://hdl.handle.net/2263/41739Digitised version of National Archive file S.2/17 of the substructure of the Sesmylspruit Bridge, Pretoria, signed by "S.W. Wierda, Hoofd, Publieke Werken"Note on drawing: "Behoort bij Bestek no 107"PlanPDF, JPEGNational Archives; Digital rights: University of PretoriaSesmylspruitWierda BridgePlan or blueprint