| 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. 32 , 134 AND PL. B}{Deposit:: KERR, M.B., 1900 , REGISTER OF MINES AND MINERALS, COUNTY OF CALAVERAS, CALIF.: CALIF. MIN. BUR.}{Deposit:: CRAWFORD, J.J., 1896 , CALAVERAS COUNTY: 13 TH REPT. STATE MIN.; CALIF. MIN. BUR. P. 96}{Production:: CRAWFORD 1896} |