The ochre deposits of the Riversdale district
Subtitle: Cape Province
By: by D.J.L. Visser ...
Series: South Africa. [Geological Survey] Geological series. Bulletin; no. 9
Publisher: Government printer
Published: 1937
Place of publication: Pretoria
Language: eng
Number of pages: 21
Subjects: Ocher.; Mines and mineral resources -- South Africa -- Cape of Good Hope.
Notes: Bibliography: p. 21.
At head of title: ... Union of South Africa. Department of mines.