Reference | {Deposit:: ENGINEERING AND MINING JOURNAL, 1978, DIRECTORY OF MINING AND MINERAL PROCESSING OPERATIONS: NEW YORK, MCGRAW-HILL MINING INFORMATION SERVICES, P. 164.}{Deposit:: CLARK, W.B., AND LYDON, P.A., 1962, MINES AND MIENRAL RESOURCES OF CALAVERAS COUNTY, CALIFORNIA: CALIFORNIA DIVISION OF MINES AND GEOLOGY COUNTY REPORT 2, 217 P.} |