November 30, 1992 The cyaniding plant with the Merrill Crowe system was put in operation
In 1981, geologic studies in Gigante-Huacrachuco began, starting the first works of exploration and fit out old workings.
November 30, 1992 The cyaniding plant with the Merrill Crowe system was put in operation
In 1981, geologic studies in Gigante-Huacrachuco began, starting the first works of exploration and fit out old workings.
