Departement Publieke WerkenPublieke Werke Dept.Wierda, Sytze Wopkes, 1839-19112014-08-262014-08-261892-07-302014-08-26http://hdl.handle.net/2263/41611Digitised version of National Archive file S.2/77. Plan of a suspension bridge for pedestrians, Kaap River, Barberton, signed by "S.W. Wierda, Hoofd, Dept. van Publieke Werken"National Archive number_028PlanPDF, JPEGNational Archives; Digital rights: University of PretoriaSuspension bridgePedestriansPlan or blueprint