Mine detail: Vann Ranch Middle Creek, Black Rock, Grizzly Canyon

Previously called ''

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Location

Lat / long:

39.28543, -122.97331

Resource(M)

Tertiary:	Manganese
Ore:	Pyrolusite

Production

Operation type:	Unknown
Production size:	None
Development status:	Prospect

Geology

References

MRDS	M009041
DEP	10030711
Reference	{Deposit:: CALIF. B. 125, 1943, P. 127}{Deposit:: CALIF. BULL. 152, P. 98}
Reporter	Killman, K.; Albers, J., Gere, W.