Reference | {Deposit:: CLARK,W.B. AND LYDON,P.A., 1962,MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIFORNIA; COUNTY REPT. 2 , CALIF. DIV. MINES AND GEOLOGY, P. 27 .}{Deposit:: GOODWIN, J.G., 1957 , LEAD AND ZINC IN CALIFORNIA; CALIF. JOUR. MINES AND GEOLOGY, VOL. 53 , NO. 354 , P. 433 .}{Deposit:: HEYL, G.R., 1948 , ZINC-COPPER MINES OF THE QUAIL HILL AREA, CALAVERAS, CALIFORNIA; COPPER IN CALIFORNIA BULL. 144 ; DIV. OF MINES, P. 122 - 124} |