Mine detail: Gray Ledge

Previously called 'National Defense ClaimClaim No. 1, King ClaimPink Darling,'

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Location

Lat / long: 41.32484, -123.02112

Resource(M)

Tertiary: Manganese, Silica
Other material: Muscovite, Psilomelane, Quartz, Rhodochrosite, Rhodonite
Discovery year: 1941

Production

Operation type: Underground
Development status: Past Producer

Geology

References

MRDSM020229
MAS60930013
DEP10286986
Reference{Deposit:: TRASK-GEO DESCRIPT MN DEPS OF CAL-CAL.DIV.MINES BUL.152-APRI}{Deposit:: TRENGOVE-RECON OF CAL MN DEPS-USBM.RPT.OF INVEST.5579-1960}
ReporterNiemi