Mine detail: Sonoma Co. No. 27

Previously called ''

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Location

Lat / long:

38.72958, -122.76187

Resource(M)

Primary:	Manganese
Other material:	Psilomelane, Pyrolusite

Production

Operation type:	Surface
Development status:	Past Producer

Geology

References

MAS	60970243
DEP	10287374
Reference	BAILEY E H AND HARDEN D R 1975 USGS MINERAL RESOURCE MAP I-9
Reporter	Deino, Al