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Cl Summary Cl Introduction C3 Investigations by the U.S. Bureau of Mines C3 Investigations by the U.S. Geological Survey C6 Appraisal of identified resources C6 Setting C6 Mining history C6 Mines and prospects C7 Recommendations for further work C7 Assessment of potential for undiscovered resources C7 Geology C7 Geologic setting C7 Early Proterozoic preplutonic rocks CIO Early Proterozoic plutonic rocks CIO Proterozoic structural features Cll Tertiary rocks C12 Tertiary structural features C13 Geochemistry C13 Geophysics CIS Aeromagnetic survey CIS Radioactivity survey CIS Landsat Thematic Mapper data survey C17 Mineral and energy resource potential C17 Metallic mineral resources C17 Energy resources C21 Other commodities and deposit types C21 Recommendations for further study C21 References cited C22 1. Summary descriptions of mineral sites within and adjacent to the South McCullough Mountains Wilderness Study Area C8 2. Slightly anomalous concentrations of selected elements in heavy-mineral concentrates from stream-sediment samples C14 3. Summary of anomalous areas determined from Landsat Thematic Mapper data for the South McCullough Mountains Wilderness Study Area CIS 4.

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