manganese deposits of the Union of South Africa
By: compiled from reports by L.G. Boardman [and others]
Series: South Africa. Geological Survey. Handbook -- 2.
Publisher: Govt. Printer
Published: 1960
Place of publication: Pretoria
Language: eng
Number of pages: 280
Subjects: Manganese ores -- South Africa.
Notes: Summary in Afrikaans.

Bibliography: p. 246-248.