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Mineral resource potential maps of the Jerry Peak, Jerry Peak West, and Boulder Creek Wilderness Study Areas, Custer County, Idaho

The U.S. Geological Survey and the U.S. Bureau of Mines made a geological and mineral survey of the Jerry Peak, Jerry Peak West, and Boulder Creek Wilderness Study Areas, Custer County, Idaho, from 1980 through 1983. The area is underlain chiefly by lavas and pyroclastic rocks of the Eocene Challis Volcanics. Paleozoic sedimentary rocks are exposed along the east border of the Jerry Peak Wildernes