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 138}{Deposit:: CRAWFORD, J.J., 1896 , CALAVERAS COUNTY: 13TH REPT. STATE MIN.; CALIF. MIN. BUR. P. 98}{Production:: CLARK ( 1962 )} |