Bushveld S. of Rooiberg, East of Crocodile River. W.H. Humphrey
- ZA HPRA A1138-R-620
- Bestanddeel
Bushveld S. of Rooiberg, East of Crocodile River. W.H. Humphrey
Ultra Acid Rocks - W. Secoecoeniland - Middelburg Dist
Karroo System -Junction Elands & Olifants Rivers. - Mellor
Golden Valley Mine - Pietersburg District
Sandstones df Buiskop and Springbok Plats - E.T. Mellos
New Rand Parent Corp. Ltd. Molengraaf -Between Lichtenburg &Wolmaranstad
Geology of S.W. Transvaal - Holmes