| Reference | {Deposit:: CRAWFORD, J. J., 1896 CALAVERAS COUNTY: 13TH REPT STATE MIN; CALIF MIN. BUR., P 100}{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 301} |