Macmahon Holdings Ltd has been awarded a $65 million contract to construct 50 kilometres of rail to the Mesa A mine for Robe River Mining Co Pty Ltd, a subsidiary of Rio Tinto Iron Ore in the Pilbara.

Macmahon Holdings Ltd has been awarded a $65 million contract to construct 50 kilometres of rail to the Mesa A mine for Robe River Mining Co Pty Ltd, a subsidiary of Rio Tinto Iron Ore in the Pilbara.