| Reference | {Deposit:: CLARK, W.B., & LYDON, P.A., 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIF.: CALIF. DIV. MINES & GEOL., COUNTY REPORT 2 , P. 36 , 187 , PL B}{Deposit:: TUCKER, W.B., 1916 , CALAVERAS COUNTY: CALIF. JOUR. MINES & GEOL., 14TH REPORT STATE MINERALOGIST, P. 112}{Production:: CLARK, 1962} |