Reference | {Deposit:: ERIC, J.H., 1948 : COPPER IN CALIFORNIA BULL. 144 ; DIV. OF MINES, P. 321}{Deposit:: FRANKE, H. A., 1935 ; MINES AND MINERAL RESOURCES OF SAN LUIS OBISPO COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 31 , NO. 4 ; DIV. OF MINES, P. 417}{Deposit:: LAIZURE, C. MCK., 1925 ; SAN FRANCISCO FIELD DIV.; 21ST REPT. STATE MIN.; CALIF. MIN. BUR., P. 511 .}{Production:: FRANKE, H.A., 1935} |