The early history of the Globe-Miami district involved the development of large, low-grade, disseminated copper deposits. The Miami smelter resulted from the need of refining the concentrates of the ...
Benson served as a supply center to the mines in the Johnson, Patagonia, Helvetia and Yellowstone mining districts in February in the late 19th and early 20th centuries. Founded after the arrival of ...
Ancient copper smelting workshop unearthed in South Sinai Nevine El-Aref , Sunday 14 Sep 2025 An Egyptian archaeological mission has uncovered a copper smelting workshop, administrative buildings, and ...
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Local organizations overseeing the land of the former ASARCO lead smelting plant in East Helena received an award on Thursday for their work redeveloping the previously contaminated area.
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