Mine detail: Big Spring Claim

Previously called 'Graham'

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Location

Lat / long: 38.05297, -120.52794

Resource(M)

Primary: Gold
Ore: Gold
Gangue: Quartz

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
Production years: 1932 - 1941

Geology

Host type:Schist

References

MRDSM006250
DEP10028958
Reference{Deposit:: CLARK, W.B., LYDON, P.A., 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIF.; COUNTY REPORT 2 ; CALIF. DIV. OF MINES AND GEOLOGY, P 34 - 35 , 42 AND PLB}{Deposit:: LOGAN, C.A., 1934 , THE MOTHER LODE GOLD BELT OF CALIF: CALIF DIV. OF MINES BULL. 108 P 128}{Deposit:: LOGAN, C.A., FRANKE, H., 1936 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 32 , NO. 3 ; DIV. OF MINES, P. 298}{Production:: LOGAN ( 1934 ), CLARK ( 1962 )}
ReporterMateik, R.; Albers, John P.