Borehole data: Witwatersrand system
Subtitle: (Orange Free State & Transvaal)
Published: 1951
Place of publication: [Johannesburg
Language: eng
Subjects: Geology, Stratigraphic -- Precambrian.; Geology -- South Africa -- Orange Free State.; Geology -- South Africa -- Transvaal (Province); Gold ores -- South Africa -- Orange Free State.; Gold ores -- South Africa -- Transvaal (Province)
Notes: Includes bibliographical references.