Humboldt Mine (Edwards Mine), Humboldt Township, Marquette iron range, Marquette Co., Michigan, USA
An inactive, open-pit iron mine worked by Cleveland Cliffs. The company claims that the mine was the first processor of low-grade iron ore.
18 entries listed. 13 valid minerals.
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New Locality Added: Zamboanga del Sur Province, Zamboanga Peninsula Region, Mindanao, PhilippinesFrom Uwe Kolitsch, 2nd Sep 2014 19:03:25