| Reference | {Deposit:: ALBERS, J.P., 1965 , ECON. GEOL. OF THE FRENCH GULCH QUADRANGLE, SHASTA AND TRINITY COUNTIES, CAL.: C.D.M.G., SPEC. REPT. 85 , 43 P.}{Deposit:: AVERILL, C.V., 1939 , MINERAL RES OF SHASTA COUNTY: C.D.M. REPT. 35 , P. 143 - 144}{Deposit:: BROWN, G.C., 1916 , SHASTA COUNTY: C.M.B. REPT. 14 , P. 780 .}{Production:: ALBERS, J.P., 1965 .} |