| Reference | {Deposit:: CLARK, W.B., & LYDON, P.A., 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIF.: CALIF. DIV. MINES & GEOL., COUNTY REPORT 2 , P. 174}{Deposit:: KERR, M.B., 1900 , REGISTER OF MINES AND MINERALS, CALAVERAS CO.: CALIF. MIN. BUR., 27 P.}{Production:: KERR, 1900} |