| 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 60 , 161 , 169 AND PL B}{Deposit:: LOGAN, C.A., 1925 , SACRAMENTO FIELD DIVISION - CALAVERAS CO.: CALIF. MIN. BUREAU. REPT. 21ST STATE MINERALOGIST, P. 155}{Deposit:: LOGAN, C.A., FRANKE, H., 1936 , MINES AND MINERAL RESOURCES OF CALAVERAS CO.: CDM CALIF. JOUR. MINES & GEOL., VOL. 32 , NO. 3 , P. 267 & 310}{Production:: CLARK ( 1962 )} |