Mine detail: Black Powder Claim

Previously called ''

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Location

Lat / long:

38.85238, -122.45297

Resource(M)

Tertiary:	Manganese
Discovery year:	1918

Production

Operation type:	Unknown
Development status:	Occurrence

Geology

References

MRDS	M008886
MAS	60330004
DEP	10260798
Reference	{Deposit:: USGS LOCATES THIS IN SEC. 31, MAY BE LOCATED IN SEC 32}{Deposit:: ALSO IN SEC 33 OF T12N,R5W.}
Reporter	Western Field Operations Center (WFOC)