Rio Tinto has started production at its $US901 million ($A999.3 million) Mesa A/Warramboo iron ore mine in the Pilbara, three years after a rare microscopic spider threatened to halt the development.
Rio Tinto has started production at its $US901 million ($A999.3 million) Mesa A/Warramboo iron ore mine in the Pilbara, three years after a rare microscopic spider threatened to halt the development.