Papers read at a symposium on the future of the Vaal river (under the chairmanship of Ian Maltz) : Johannesburg, October 30 and 31, 1961.
By: Vaal River Catchment Association.
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BookPublisher: [Johannesburg : V.R.C.A., 1962]Subject(s): Water resources development -- Vaal Valley. -- Water resources development -- Vaal Valley | Vaal River
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