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Journal of the Nelson and Marlborough Historical Societies, Volume 2, Issue 3, 1989

(j) Highways Construction Limited

(j) Highways Construction Limited

In 1979, Highways Construction Limited, a subsidiary of Transport (Nelson) Limited, which operated a plant in the Collins Valley, producing crushed serpentine, decided to process travertine, a recrystallised limestone from the Teal Valley, through the same plant. Travertine is very porous and can contain up to 50% of water so, for agricultural lime, it has to be dried. The company produced 5215 tons of lime in the years 1979–80, most of which was used in the Rai Valley. The operation was again uneconomic and now the whole plant has been dismantled.