The geology along the Orange River valley between Onseepkans and the Richtersveld: explanation of sheets 2817D (Vioolsdrif) 2818C and D (Goodhouse) and 1819C (Onseepkans)
By: by J. W. von Backström and J. De Villiers.
Contributors: De Villiers, John, joint author.
Publisher: Dept. of Mines, Geological Survey
Published: 1972
Place of publication: Pretoria
Language: eng
Number of pages: 101
Subjects: Geology -- South Africa -- Orange River Valley.
Other titles: Die gebied langs die Oranjeriviervallei geleë tussen Onseepkans en die Richtersveld.
Notes: Bibliography: p. 100-101.
Summary in Afrikaans has title: Die gebied langs die Oranjeriviervallei geleë tussen Onseepkans en die Richtersveld.