Mine detail: Union

Previously called 'Springfield'

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Location

Lat / long: 38.64712, -120.82824

Resource(M)

Primary: Gold
Ore: Gold
Gangue: Quartz

Production

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

Geology

Host type:Slate

References

MRDSC007696
DEP10101079
Reference{Deposit:: CLARK, W. B., AND CARLSON, D. W., 1956 , MINES AND MINERAL RESOURCES OF EL DORADO CO., CALIF.: CALIF. JOUR. OF MINES AND GEOL., VOL. 52 , NO. 4 , PG. 427 , 428 , 536 .}{Deposit:: LOGAN, C. A., 1938 , MIN. RESOURCES OF EL DORADO CO.: CALIF. JOUR. MINES AND GEOL., VOL. 34 , NO. 3 , PL. 2 .}{Deposit:: LOGAN, C. A., 1935 , MOTHER LODE GOLD BELT OF CALIF.: CALIF. DIV. MINES BULL. 108 , PG. 42 , 43 .}{Production:: CLARK AND CARLSON, 1956 , LOGAN, 1935 .}
ReporterHayden, F. (Albers, J.)