| 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 51 , 144}{Deposit:: GOODWIN, J. G., 1957 , LEAD AND ZINC IN CALIF.: CALIF JOUR. MINES AND GEOL, VOL 53 NOS 3 & 4 , P 427} |