The travertine deposits near Port St. Johns,
by W. Kupferburger ...
- Pretoria, The Government printer, 1935.
- 15 p. incl. maps., diagr. 24 cm.
- South Africa. Geological Survey. Geological series. Bulletin, no. 4 .
- Geological Survey (South Africa). Bulletin ; no. 4. .
At head of title: ... Union of South Africa. Department of mines. Publication of the Geological survey division.
gs 35000170
Winter. Mines and mineral resources--South Africa--Port St. Johns.