Mine detail: Spring Hill

Previously called ''

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Location

Lat / long: 38.77794, -122.67607

Resource(M)

Tertiary: Manganese

Production

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

Geology

References

MRDSM008942
DEP10030650
Reference{Deposit:: CALIF. B. 125, 1943, P. 127}{Deposit:: CALIF. BULL. 152, PP. 97-98}
ReporterGere, W., Killman, K.; Albers, J.