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The sum of enrichments in rocks above the district median values for Cu, Sb, Ag, and S; Sb, Ag, and Mn; and Sb and Ag in the Coeur d'Alene district, Idaho and Montana
The sum of enrichments in rocks above the district median values for Cu, Sb, Ag, and S; Sb, Ag, and Mn; and Sb and Ag in the Coeur d'Alene district, Idaho and Montana