Mine detail: Black Ledge

Previously called ''

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Location

Lat / long:

39.17179, -120.92383

Resource(M)

Tertiary:	Manganese
Discovery year:	1918

Production

Operation type:	Unknown
Development status:	Unknown

Geology

References

MRDS	M011419
MAS	60570001
DEP	10115551
Reference	{Deposit:: DOM BULL 125,P 147;}{Deposit:: 6 MI NE OF COLFAX}{Deposit:: LOCATED WITHIN BOUNDS OF MILITARY RESERVATION}
Reporter	Western Field Operations Center (WFOC)