1:250 000 geological series, Republic of South Africa = 1:250 000 geologiese reeks, Republiek van Suid-Afrika /
Geological Survey (South Africa)
Pretoria : Geological Survey,
1973-
Explanatory notes on verso of some sheets.
A few sheets only.
2428: Nylstroom -- 3126: Queenstown -- 3218: Clanwilliam
Geology