The geology of the country lying northwards from Zeerust
Subtitle: an explanation of sheet 9 (Marico)
By: by W.A. Humphrey
Contributors: Geological Survey (South Africa)
Publisher: Government Printing and Stationery Office
Published: 1911
Place of publication: Pretoria
Language: eng
Number of pages: 30
Subjects: Geology
Notes: Includes bibliographical references.