Mine detail: Johnson

Previously called ''

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Location

Lat / long:

41.55096, -121.70331

Resource(N)

Primary:

Pumice

Production

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

Geology

References

MRDS	W025812
DEP	10077809
Reference	CA JOUR MN/GEOL V 31, NO 3, 1935, P 33
Reporter	Unknown