MARANA, Ariz. (KGUN) — A mining exploration company wants to open a new underground site in Casa Grande.
The proposed Santa Cruz Copper Project would take up 6,000 acres.
Documents from Pinal County show that Ivanhoe Electric acquired the land a year ago for nearly $120 million.
Casa Grande's planning commission could vote on approving the project next month.
Arizona is already the US's leading copper producer.
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