Mine detail: Grizzley Ridge

Previously called 'Mcausland'

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Location

Lat / long: 39.41238, -120.97771

Resource(M)

Primary: Gold
Secondary: Silver, Copper
Gangue: Quartz

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer

Geology

Host type:Slate

References

MRDSC011630
DEP10101304
Reference{Deposit:: MACBOYLE, E., 1919 , MINES AND MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 16 , P. 184 .}{Deposit:: HOBSON, J. B., WILTSEE, E. A., 1893 , NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 11 , P. 307 - 308 .}{Deposit:: AUBURY, L. E., 1908 , COPPER RESOURCES OF CALIFORNIA: CALIFORNIA STATE MINING BUREAU, BULLETIN, NO. 50 , P. 204 .}
ReporterBowman, J. And Albers, J.