by E. Michaluk and H. F. G. MoenRepublic of South Africa, Department of Mineral and Energy Affairsc1991
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by F. WalravenRepublic of South Africa, Department of Mineral and Energy Affairsc1989
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by R.J. ThomasRepublic of South Africa, Department of Mineral and Energy Affairsc1988
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compiled by D.J.L.Visser from reports by D.J.L. Visser ... [et al.]Republic of South Africa, Department of Mineral and Energy Affairs, Geological Surveyc1989
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by G. BrandlRepublic of South Africa, Department of Mineral and Energy Affairsc1987
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by W. LinströmRepublic of South Africa, Department of Mineral and Energy Affairsc1987
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by G. BrandlRepublic of South Africa, Department of Mineral and Energy Affairsc1986
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by L.G. Wolmarans and J.W. Du PreezRepublic of South Africa, Department of Mineral and Energy Affairsc1986
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by M.R. JohnsonRepublic of South Africa. Department of Mineral and Energy Affairsc1984
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Republic of South Africa. Department of Mineral and Energy Affairs1981-
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by the South African Committee for Stratigraphy (SACS) ; compiled by L.E. KentRepublic of South Africa. Department of Mineral and Energy Affairs. Geological Surveyc1980
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