Mine detail: Hard Tack

Previously called ''

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Location

Lat / long: 40.68624, -122.5086

Resource(M)

Primary: Copper

Production

Operation type: Unknown
Production size: Small
Development status: Producer

Geology

References

MRDSM020487
DEP10109410
ReferenceERIC, J. H., 1948 , COPPER IN CALIFORNIA BULL. 144 ; CALIF. DIV. OF MINES, PG. 33
ReporterFraticelli, L. A. (Albers, J.)