[South Africa 1:250,000 aeromagnetic and airborne radiometric surveys] [South Africa 1:250 000 lugnagnetiese en lugradiometriese opname] Warmbad area Gebied Warmbad
Geological Survey (South Africa) Geo-Mapping Services Ltd. (Johannesburg, South Africa); A.O.C. Technical Surveys (Johannesburg, South Africa)
Pretoria Government Printer 1975?
Localização: IGC - Instituto de Geociências (MP M4-143 )(Acessar)