| Reference | {Deposit:: LOGAN, C.A., FRANKE, H., 1936 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 32 , NO. 3 ; DIV. OF MINES, P. 296}{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. 48} |