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Underground Hematite Mining Meaning

2019-6-8 · The Soudan Underground Mine State Park is a Minnesota state park at the site of the Soudan Underground Mine, on the south shore of Lake Vermilion, in the Vermilion Range (Minnesota).The mine is known as Minnesota's oldest, deepest, and richest iron mine, and now hosts the Soudan Underground Laboratory.As the Soudan Iron Mine, it has been designated a U.S. National Historic Landmark.

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