| Reference | {Deposit:: LOGAN, C. A., 1936 , GOLD MINES OF PLACER COUNTY, CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 32 , NO. 1 , P. 28 .}{Deposit:: HOBSON, J. B., 1890 , PLACER COUNTY: REPORT 10 OF THE STATE MINERALOGIST, CALIFORNIA DIVISION OF MINES AND GEOLOGY, P. 433 .}{Deposit:: LINDGREN, W., 1894 , THE GOLD-SILVER VEINS OF OPHIR, CALIFORNIA: 14TH ANNUAL REPORT OF THE UNITED STATES GEOLOGICAL SURVEY, PART 2 , P. 263 , 272 .}{Deposit:: WARING, CLARENCE A., 1917 , PLACER COUNTY: REPORT 15 OF THE STATE MINERALOGIST, CALIFORNIA STATE MINING BUREAU, P. 345 .}{Production:: LOGAN ( 1936 )} |