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Scientific Investigations Report 2007–5046

Mineral Resources of the Hells Canyon Study Area, Wallowa County, Oregon, and Idaho and Adams Counties, Idaho

By George C. Simmons and James L. Gualtieri, U.S. Geological Survey, and Terry J. Close, Francis E. Federspiel, and Andrew M. Leszcykowski, U.S. Bureau of Mines

With a section on Aeromagnetic and Gravity Surveys by Don R. Mabey, U.S. Geological Survey

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Scientific Investigations Report
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Field studies supporting the evaluation of the mineral potential of the Hells Canyon study area were carried out by the U.S. Geological Survey and the U.S. Bureau of Mines in 1974–76 and 1979. The study area includes (1) the Hells Canyon Wilderness; (2) parts of the Snake River, Rapid River, and West Fork Rapid River Wild and Scenic Rivers; (3) lands included in the second Roadless Area Review and Evaluation (RARE II); and (4) part of the Hells Canyon National Recreation Area. The survey is one of a series of studies to appraise the suitability of the area for inclusion in the National Wilderness Preservation System as required by the Wilderness Act of 1964. The spectacular and mineralized area covers nearly 950 mi2 (2,460 km2) in northeast Oregon and west-central Idaho at the junction of the Northern Rocky Mountains and the Columbia Plateau.

Version 1.0

Posted June 2007


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Suggested citation:

Simmons, G.C., Gualtieri, J.L., Close, T.J., Federspiel, F.E., and Leszcykowski, A.M., 2007, Mineral resources of the Hells Canyon study area, Wallowa County, Oregon, and Idaho and Adams Counties, Idaho, with a section on aeromagnetic and gravity surveys, by D.R. Mabey: U.S. Geological Survey Scientific Investigations Report 2007-5046, 62 p.



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