Mine detail: Graham

Previously called ''

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Location

Lat / long: 39.43704, -123.37985

Resource(M)

Tertiary: Manganese

Production

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

Geology

References

MRDSM010076
DEP10031362
Reference{Deposit:: CALIF. V. 49, NO. 4, P. 386}{Deposit:: D.O.M. BULL. 152 1950 P. 123}
ReporterGere, W., Killman, K.; Albers, J.