The Oklahoman

Biden administra­tion delivers serious blow to Minnesota mine


The Biden administra­tion dealt a serious blow Wednesday to the proposed Twin Metals copper-nickel mine in northeaste­rn Minnesota, ordering a study that could lead to a 20year ban on mining upstream from the Boundary Waters Canoe Area Wilderness.

The government said it has filed an applicatio­n for a “mineral withdrawal,” which would begin with a comprehens­ive study of the likely environmen­tal and other impacts.

The Obama administra­tion tried to kill the project when it launched a similar process in its final weeks, citing the potential threat to the Boundary Waters from acid mine drainage from the undergroun­d mine near Ely.

But the Trump administra­tion canceled the previous mineral withdrawal study 20 months into the 24month process.

Twin Metals is owned by the Chilean mining giant Antofagast­a.

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