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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.
Mineral List
| Actinolite Almandine Biotite 'Chert var: Taconite' 'Chlorite Group' | Chloritoid Goethite Hematite var: Specularite Magnetite | Molybdenite Paragonite Quartz Riebeckite Schorl | Talc 'Tourmaline' Tremolite |
18 entries listed. 13 valid minerals.
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