Mine detail: Black Rock Claim

Previously called ''

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Location

Lat / long:

40.64984, -123.45302

Resource(M)

Tertiary:	Manganese
Discovery year:	1940

Production

Operation type:	Unknown
Development status:	Prospect

Geology

References

MAS	61050016
DEP	10190085
Reference	{Deposit:: IVAN WILSON JULY 25, 1941}{Deposit:: CALIF BULL 152 1950 P 307}
Reporter	Western Field Operations Center (WFOC)