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Asarco celebrates expansion of Mission Mine mill

TUCSON, Ariz. — Copper giant Asarco is celebrating the dedication of a $60
million expansion of one of its mills at the Mission Mine in southern Arizona.

Contractors, employees and other dignitaries attended Wednesday’s ceremony at
the Mission complex south of Tucson.

Company officials say expansion of the South Mill has added 9,000 tons more per
day of additional crushing and milling capacity, bringing the total of the
complex’s two mills to 58,000 tons of ore per day.

The concentrate produced at the Mission Mine feeds the company’s smelter in

The expansion has also created 30 new jobs, bringing the workforce at the
Mission site to 660 people.

As part of the expansion’s permitting, the company says Pima County approved
new controls that are designed to reduce overall emissions.


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