Environmental groups sue to undo 2017 PolyMet mine deal in Minnesota - WHTC

Source: Whtc Published on Wednesday, January 26 2022
Related articles and keywords:   Iron - Polymet - Men - Mine
... that gave PolyMet Mining Corp more than 6,600 acres (2,670 hectares) needed to build an open pit copper and gold mine in northern Minnesota.
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