| Reference | {Deposit:: ERIC, T. H., 1948 ; COPPER IN CALIFORNIA BULL. 144 ; DIV. OF MINES, P. 237 .}{Deposit:: MORTON, P. K., 1977 , GEOLOGY AND MINERAL RESOURCES OF IMPERIAL COUNTY, CALIFORNIA, COUNTY REPORT 7 ; CALIFORNIA DIVISION OF MINES AND GEOLOGY, P. 38}{Deposit:: SAMPSON, R. J. AND TUCKER, W. B., 1942 ; MINERAL RESOURCES OF IMPERIAL COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 38 , NO. 2 ; DIV. OF MINES, P. 112} |