TY  - BOOK
AU  - Sohnge, P.G.
AU  - Visser, D.J.L
AU  - Lowe, C. Van Riet,
TI  - The geology and archaaelogy of the Vaal River Basin
U1  - 556.82 
PY  - 1937///
CY  - Pretoria
PB  - Government Printer
KW  - Geology
KW  - Vaal River Basin
KW  - Antiquities
N1  - At head of title : Union of South Africa. Department of Mines; Includes bibliographical references
ER  -