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Sampling Mineral Deposit

Detailed Description

Two USGS scientists sampling the unmined, natural Napoleon Ridge porphyry copper-molybdenum deposit along Dump Creek near North Fork, Idaho.


Public Domain.

USGS Data Series 433
Giles, S.A., Granitto, M., and Eppinger, R.G., 2009, Selected geochemical data for modeling near-surface processes in mineral systems: U.S. Geological Survey Data Series 433, CD-ROM,