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'La Negra' is a small industrial complex 22 km. east of Antofagasta, Chile after crossing coastal mountain rage. Among ''La Negra'' industries, the two major ones are ''Altonorte'', a copper smelter refinery, and a cement plant, ''Inacesa''. Has basic services for truckers and travelers in general.
'La Negra' is also the intersection of Pan-American Highway and the road from Antofagasta to Escondida Mine.