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Mission

A Komatsu 320 ton truck used to haul ore at Mission. The ore is not amenable to leaching so all production is from concentrates.

A Komatsu 320 ton truck used to haul ore at Mission. The ore is not amenable to leaching so all production is from concentrates.

In 2010 Mission produced 184 million pounds of copper. The photo shows a P&H 4100 shovel.

In 2010 Mission produced 184 million pounds of copper. The photo shows a P&H 4100 shovel.

Mission mine, an open-pit operated by Asarco LLC, is located 18 miles south of Tucson near Sahuarita. The South San Xavier pit, the Mission pit, and the Eisenhower pit have been combined to form one super pit.

Mission mine, an open-pit operated by Asarco LLC, is located 18 miles south of Tucson near Sahuarita.

This 1958 photo shows a Joy model HD22 diamond drill in operation at Mission.

This 1958 photo shows a Joy model HD22 diamond drill in operation at Mission.