Commodities
PrimaryGold
Commodity typeM
Deposit
Deposit sizeY
WorkingsUnderground
Geology
Host rockSlate · Mariposa Formation
Economic & production
Development statusPast Producer
Production yearsACTIVE 1901
Identification
Deposit ID10006843
MRDS IDC007467
Alternate namesShepard
RegionNA
Data scoreC
Coordinates38.90239, -120.92881
References
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 513 .CRAWFORD, J. J., 1894 , EL DORADO COUNTY; CALIF. MIN. BUR. 13TH REPT. STATE MINERALOGIST, P 150 .LOGAN, C. A., 1935 , MOTHER LODE GOLD BELT OF CALIF.: CALIF. DIV. MINES BULL. 108 , PG 30 .LOGAN, C. A., 1938 , MIN. RESOURCES OF EL DORADO CO.: CALIF. JOUR. OF MINES AND GEOL., VOL. 34 , NO. 3 , PG 264 AND PL II .CLARK ( 1956 )