| 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. 453, PL. 8}{Deposit:: WARING, C.A., 1915, MINES AND MINERAL RESOURCES OF BUTTE COUNTY, CALIF: CALIF. JOURNAL OF MINES AND GEOLOGY, V. 15, P. 209}{Deposit:: AUBURY, LEWIS E., 1903, REGISTER OF MINES AND MINERALS, BUTTE COUNTY: CALIF. STATE MINING BUREAU, NO. 17, P. 8-9} |