Mine detail: Massa Hill

Previously called ''

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Location

Lat / long: 38.16961, -122.68134

Resource(N)

Primary: Gemstone

Production

Operation type: Unknown
Production size: Yes
Development status: Producer

Geology

References

MRDSW024119
DEP10110789
Reference{Deposit:: CALIF JOUR MINES AND GEOL V 51 NO 3 JULY 1955 P 259 280 PL 4}{Deposit:: GEM STONES NEPHRITE ON VONSON RANCH APPROX 1 MI SW OF UNION SCHOOL}
ReporterUnknown