3 resultados para Witwatersrand
em University of Michigan
Resumo:
Editors: 1911-1912, Percival Frere Smith; 1913-1924, Gey van Pittius; 1925-1946, R.P.B. Davis.
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Mode of access: Internet.
Resumo:
pt. I. Base metals.--pt. II. The Witwatersrand and Pilgrimsrest goldfield and similar occurrences.