Mineral Resource Map
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North America
United States
Iowa
Jackson, Dubuque, Clayton
Guttenberg Subdistrict
Past Producer • Lead
North Buena Vista Subdistrict
Past Producer • Lead, Zinc
Sherrill Mound Subdistrict
Past Producer • Zinc, Lead
Dubuque Subdistrict
Past Producer • Zinc, Lead
Tete Des Morts Subdistrict
Past Producer • Lead, Zinc