Reference | {Deposit:: CLARK, W.B., LYDON, P.A., 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIF.; COUNTY REPORT 2 ; CALIF. DIV. OF MINES AND GEOLOGY, P 158}{Deposit:: ERIC, J.H., STROMQUIST, A.A., SWINNEY, C.M., 1955 , GEOLOGY OF THE ANGELS CAMP AND SONORA QUADRANGLES, CALAVERAS AND TUOLUMNE COUNTIES, CALIFORNIA: CALIFORNIA DIVISION OF MINES SPECIAL REPORT 41 , P. 50 AND PL 3} |