TY  - BOOK
AU  - Kupferbürger,Wilhelm
TI  - The travertine deposits near Port St. Johns,
T2  - South Africa. Geological Survey. Geological series. Bulletin,
AV  - TN967 .K85
PY  - 1935///
CY  - Pretoria
PB  - The Government printer
KW  - Winter
KW  - Mines and mineral resources
KW  - South Africa
KW  - Port St. Johns
N1  - At head of title: ... Union of South Africa. Department of mines; Publication of the Geological survey division
ER  -