The Pretoria salt-pan
Subtitle: a soda caldera
By: by Percy A. Wagner ...
Series: South Africa. Geological Survey. Memoir; no. 20
Publisher: The Government Printing and Stationery Office
Published: 1922
Place of publication: Pretoria
Language: eng
Number of pages: 136
Subjects: Geology, Economic -- South Africa.; Mines and mineral resources -- South Africa.; Salt mines and mining -- South Africa.
Notes: Bibliographical foot-notes.
At head of title: Union of South Africa. Department of mines and industries.