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SANTIAGO, June 29 (Reuters) - Copper production at Chile's Escondida copper mine, the world's largest, fell 63 percent in the first quarter of 2017 from a year earlier amid a prolonged strike, a statement from the mine said on Thursday.
Escondida is -controlled by BHP Billiton, with minority interests held by Rio Tinto, and Japanese companies including Mitsubishi Corp.
The mine produced 97,103 tonnes of copper between January and March, down from 265,597 tonnes a year earlier, the statement said. (Reporting by Antonio de la Jara)