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. 132}{Deposit:: ERIC, J. H., 1948 , COPPER IN CALIFORNIA BULL. 144 ; DIV. OF MINES, P. 221 .} |