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Keywords:
IRRIGATION,
DROUGHT,
CULTIVATION,
COSTS,
WEIRS,
WATER,
RIVERS,
INTAKES,
GORGES,
EXCAVATIONS,
FLUMES,
CROSSINGS,
STREAMS,
AQUEDUCTS,
PIPES,
MAINTENANCE,
CROPS,
LABOUR,
NATAL,
MOOI RIVER,
MPOFANE,
TUGELA,
SOUTH AFRICA
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© Thomas Telford and ICE
1904
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