00905cam a22002531 4500 gs 59000145 DLC 20260227111407.0 840716s1958 sa b b 000 0 afr gs 59000145 (OCoLC)10952133 DLC NRU DLC premarc QE325 .A53 no. 26 Fourie, G. P. Die diamantvoorkomste in die omgewing van Swartruggens, Transvaal. Pretoria, Govt. Printer, 1958. iii, 16 p. maps (part fold.) diagrs., tables. 24 cm South Africa. Geological Survey. Bulletin 26 With a summary in English entitled: The diamond occurrences near Swartruggens, Transvaal. Bibliography: p. 16. Diamond mines and mining South Africa. Geological Survey (South Africa). Geological series. Bulletin 26. 29335 29335