Departement Publieke WerkenPublieke Werke Dept.Wierda, Sytze Wopkes, 1839-19112014-08-262014-08-261899-06-202014-08-26http://hdl.handle.net/2263/41672Digitised version of National Archive file S.3/1814. Plan of the Office of the Mine and Boiler Inspector, FloridaPlanPDF, JPEGNational Archives; Digital rights: University of PretoriaOfficesFloridaPlan or blueprint