Mine detail: Black Hawk Claim

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Location

Lat / long: 38.79018, -122.38526

Resource(M)

Primary: Chromium

Production

Operation type: Surface-Underground
Development status: Past Producer

Geology

References

MAS60550105
DEP10164549
ReferenceCALIF BULL 134,PT2 CHAPTER1 DEC 1946 P 20,34
ReporterWestern Field Operations Center (WFOC)