Mine detail: Johnson

Previously called 'G Z Johnson'

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Location

Lat / long:

41.55095, -121.70329

Resource(N)

Primary:

Pumice

Production

Operation type:	Surface
Development status:	Past Producer

Geology

References

MRDS	W025812
MAS	60931511
DEP	10257008
Reference	CA JOUR MN/GEOL V 31, NO 3, 1935, P 335
Reporter	Western Field Operations Center (WFOC)