| 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. 443}{Deposit:: WARING, C.A., 1915, MINES AND MINERAL RESOURCES OF BUTTE COUNTY, CALIF: CALIF. JOURNAL OF MINES AND GEOLOGY, V. 15, P. 215}{Production:: WARING (1915)} |