TY  - BOOK
AU  - Wagner,Percy Albert
TI  - The Pretoria salt-pan,: a soda caldera,
T2  - South Africa. Geological Survey. Memoir
AV  - QE324 .A3 no. 20
PY  - 1922///
CY  - Pretoria
PB  - The Government Printing and Stationery Office
KW  - Geology, Economic
KW  - South Africa
KW  - Mines and mineral resources
KW  - Salt mines and mining
N1  - At head of title: Union of South Africa. Department of mines and industries; Bibliographical foot-notes
ER  -