Reference | {Deposit:: LOGAN, C. A., 1936 , GOLD MINES OF PLACER COUNTY, CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 32 , NO. 1 , P. 16 , 22 .}{Deposit:: LOGAN, C. A., 1920 , PLACER COUNTY: REPORT 17 OF THE STATE MINERALOGIST, CALIFORNIA STATE MINING BUREAU, P. 445 .} |