Mine detail: Hummingbird

Previously called ''

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Location

Lat / long:

39.63597, -122.61498

Resource(M)

Primary:

Manganese

Production

Operation type:	Surface-Underground
Development status:	Prospect

Geology

References

MRDS	M008659
MAS	60210042
DEP	10212104
Reference	CALIF. JOUR MINES & GEOLOGY V. 48,NO 1 JAN DOM BULL 152 1950
Reporter	Western Field Operations Center (WFOC)