Sandstones df Buiskop and Springbok Plats - E.T. Mellos
New Rand Parent Corp. Ltd. Molengraaf -Between Lichtenburg &Wolmaranstad
Geology of S.W. Transvaal - Holmes
Houtpoort Burbaiak Goldfields Ltd. Bloemhof
Bloemhof - Wolmaranstad
Geological Survey 1910 Klip River Valley West W.A. Humphrey
Discussion of the findings of the Harms Commission of Inquiry and IBI publication 'Who lied?'
Report of the Harms Commission
Blackhill G. M. Co., Ltd., Pilgrims Rest
Steelpoort River Valley - Roos Senekal -Dullstroom Lydenburg
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