TY - BOOK AU - Nel,Louis T. ED - Geological Survey (South Africa) TI - The geology of the Klerksdorp-Ventersdorp area: an explanation of the geological map, AV - QE324 .N4 PY - 1935/// CY - Pretoria PB - Printed in the Union of South Africa by the Government printer KW - Geology KW - South Africa KW - Transvaal KW - Mines and mineral resources N1 - At head of title: Union of South Africa. Department of mines. Geological survey; "Publications of Geological surveys [of South Africa]": p. 161-168; Bibliography: p. 133-135 ER -