Reference | {Deposit:: CLARK, W.B., AND LYDON, P.A., 1962 , MINES AND MINERAL RESOURCES CALAVERAS COUNTY, CALIFORNIA; COUNTY REPT. 2 ; CALIF. DIV. MINES AND GEOLOGY, P. 131}{Deposit:: ERIC, J.H., 1948 , COPPER IN CALIFORNIA BULL. 144 ; DIV. OF MINES, P. 218} |