TY  - BOOK
AU  - Helgren,David M.,1947-
TI  - Rivers of diamonds: an alluvial history of the lower Vaal Basin, South Africa
PY  - 1979///
CY  - Chicago
PB  - The University of Chicago
KW  - Geomorphology
KW  - South Africa
KW  - Vaal River watershed
KW  - Sediments (geology)
ER  -