| Reference | {Deposit:: OBRIEN, J.C., 1949, MINES AND MINERAL RESOURCES OF BUTTE COUNTY, CALIF.: CALIF. JOURNAL OF MINES AND GEOLOGY, V. 45, NO. 3, P. 449, PL. 8}{Deposit:: WARING, C.A., 1915, MINES AND MINERAL RESOURCES OF BUTTE COUNTY, CALIF: CALIF. JOURNAL OF MINES AND GEOLOGY, V. 15, P. 223}{Deposit:: CRAWFORD, J.J., 1896, THIRTEENTH REPORT OF THE STATE MINERALOGIST: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, VOL. 13, P. 93} |