| Reference | {Deposit:: CRAWFORD, J.J., 1896 , CALAVERAS COUNTY: CALIF. MIN. BUR. 13 TH REPORT STATE MINERALOGIST, P. 110}{Deposit:: LOGAN, C.A., FRANKE, H., 1936 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 32 , NO. 3 ; DIV. OF MINES, P. 310} |