| 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. 170}{Deposit:: CLARK, L.D., 1954 , GEOL & MINERAL DEPOSITS OF THE CALAVERAS QUAD: CAL. DIV. MINES SPEC REPT NO. 40 , P 20} |