Mine detail: Keystone

Previously called ''

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Location

Lat / long:

41.98982, -123.95396

Resource(M)

Primary:

Copper

Production

Operation type:	Surface-Underground
Development status:	Past Producer

Geology

References

MRDS	M007526
MAS	60150096
DEP	10115127
Reference	CALIF JOUR MINES & GEOLOGY V 48 NO 4 OCT 52 P 297
Reporter	Western Field Operations Center (WFOC)