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The Elkhorn Wilderness study area, near Helena, Montana, was studied. Substantiated resource potential for gold, silver, copper, lead, zinc, and iron was identified in three areas and a copper-molybdenum porphyry deposit exists in a fourth area of substantiated resource potential. Several broad areas with probable mineral-resource potential for all the above metals except iron were also identified.
Additional Publication Details
ELKHORN WILDERNESS STUDY AREA, MONTANA.
Geological Survey Professional Paper (United States)