TY  - BOOK
AU  - Wybergh,Wilfrid John
TI  - The coal resources of the Union of South Africa ..
T2  - South Africa. Geological Survey. Memoir
AV  - QE324 .A3
PY  - 1922///-28
CY  - Pretoria
PB  - The Government Printing and Stationery Office
KW  - Coal
KW  - South Africa
N1  - At head of title: Union of South Africa. Dept. of mines and industries; v. 1. The coal fields of Wilbank, Springs and Heidelberg, and of the Orange Free State. 1922.--v. 2. The inland coal fields of Natal. 1925.--v. 3. The coal fields of the eastern and south-eastern Transvaal, Springbok flats, Waterberg, Zoutpansberg and of the Cape Province. 1928
ER  -