The building stones of the Union of South Africa /
Wybergh, W.
The building stones of the Union of South Africa / by W. Wybergh. - Pretoria : The Government Printer, 1932. - 244 p., [4] leaves of plates (some fold.) : ill., diagrs., map, table ; 25 cm. - Geological Survey memoir ; no. 29 . - Memoir (Geological Survey (South Africa)) ; no. 29. .
At head of title: Union of South Africa. Department of Mines and Industries.
With: A bibliography of South African geology for the years 1931 to 1935 (inclusive) : authors' index / by A. L. Hall -- The pegmatite area south of the Orange river in Namaqualand / by T. W. Gevers, F. C. Partridge, and G. K. Joubert. Pretoria : The Government Printer, 1937. Bound together subsequent to publication.
Includes bibliographical references and index.
gs 32000264
Building stones--South Africa.
QE324 / .A3 no. 29
The building stones of the Union of South Africa / by W. Wybergh. - Pretoria : The Government Printer, 1932. - 244 p., [4] leaves of plates (some fold.) : ill., diagrs., map, table ; 25 cm. - Geological Survey memoir ; no. 29 . - Memoir (Geological Survey (South Africa)) ; no. 29. .
At head of title: Union of South Africa. Department of Mines and Industries.
With: A bibliography of South African geology for the years 1931 to 1935 (inclusive) : authors' index / by A. L. Hall -- The pegmatite area south of the Orange river in Namaqualand / by T. W. Gevers, F. C. Partridge, and G. K. Joubert. Pretoria : The Government Printer, 1937. Bound together subsequent to publication.
Includes bibliographical references and index.
gs 32000264
Building stones--South Africa.
QE324 / .A3 no. 29