Rivers of diamonds an alluvial history of the lower Vaal Basin, South Africa
Helgren, David M., 1947-
Rivers of diamonds an alluvial history of the lower Vaal Basin, South Africa by David M. Helgren - Chicago The University of Chicago 1979 - 389p. ill. 23cm. - Research paper / University of Chicago, Department of Geography no.185 .
79-17790
Geomorphology--South Africa--Vaal River watershed
Sediments (geology)--South Africa--Vaal River watershed
Rivers of diamonds an alluvial history of the lower Vaal Basin, South Africa by David M. Helgren - Chicago The University of Chicago 1979 - 389p. ill. 23cm. - Research paper / University of Chicago, Department of Geography no.185 .
79-17790
Geomorphology--South Africa--Vaal River watershed
Sediments (geology)--South Africa--Vaal River watershed