https://www.mining-technology.com/marketdata/newsperu-approves-southern-coppers-12bn-expansion-of-toquepala-mine-4556607/
Peru approves Southern Copper’s $1.2bn expansion of Toquepala mine - Mining Technology
Apr 16, 2015 - Grupo Mexico-controlled Southern Copper has secured approval from the Government of Peru for its $1.2bn expansion plan of Toquepala mine.
toquepala mineperuapprovessouthernexpansion
https://monitoreocajamarcamedios.com/southern-peru-planea-millonarias-modificaciones-en-toquepala-para-optimizar-sus-operaciones/
Southern Perú planea millonarias modificaciones en Toquepala para optimizar sus operaciones
southernplaneamillonariasmodificacionestoquepala