Citation

Mineral map of the republics of South Africa, Transkei, Bophuthatswana, Venda, and Ciskei, and the kingdoms of Lesotho and Swaziland, 1981 [cartographic material] / Republic of South Africa, Department of Mineral and Energy Affairs, director general, S.J. Du Plessis ; Geological Survey, director, L.N.J. Engelbrecht ; compiled by J.E.J. Martini and E.C.I. Hammerbeck = Delfstofkaart van die republieke van Suid-Afrika, Transkei, Bophuthatswana, Venda, en Ciskei, en die koninkryke van Lesotho en Swaziland, 1981 / Republiek van Suid-Afrika, Departement van Mineraal- en Energiesake, direkteur-generaal, S.J. Du Plessis ; Geologiese Opname, direkteur, L.N.J. Engelbrecht ; saamgestel deur J.E.J. Martini en E.C.I. Hammerbeck.. [GeoTIFF]. Govt. Printer. Retrieved from https://earthworks.stanford.edu/catalog/mit-001030797