Mine detail: Hopper

Previously called ''

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Location

Lat / long: 39.32515, -123.08415

Resource(M)

Tertiary: Manganese

Production

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

Geology

References

MRDSM009998
DEP10031314
Reference{Deposit:: CALIFORNIA JOURNAL OF MINES & GEOLOGY, V. 49, NO. 4., OCT. 1953, P. 387}{Deposit:: D.O.M. BULL. 152, P. 126}
ReporterGere, W., Killman, K.; Albers, J.