References
Brown, J.A., 1890, Calaveras County, Angels Mine, California State Mining Bureau, 10th Annual Rport of the State Mineralogist, p. 151.Clark, L.D., 1970, Geology of the San Andreas 15-minute quadrangle, Calaveras County, California: California Division of Mines and Geology Bulletin 195, 23 p.Clark, W. B., 1970, Gold districts of California: California Divisions of Mines and Geology Bulletin 193, p. 25-28.Clark. W. B., and Lydon, P.A., 1962, Mines and mineral resources of Calaveras County, California: California Division of Mines and Geology County Report No. 2, p. 40.Eric, J.H., Stromquist, A.A., and Swinney, C.M., 1955, Geology and mineral deposits of the Angels Camp and Sonora quadrangles, Calaveras and Tuolumne counties, California: California Division of Mines Special Report 41, 55 p.Knopf, A., 1929, The Mother Lode system of California: U. S. Geological Survey Professional Paper 157, 88 p.Logan, C. A., 1921, Calaveras County, Angels Mine: California State Mining Bureau, 17th Report of the State Mineralogist, p. 420.Tucker, W.B., 1914, Calaveras County, Angels Mine: California State Mining Bureau, 14th Annual Report of the State Mineralogist, p. 68-69.Zimmerman, J.E., 1983, The Geology and structural evolution of a portion of the Mother Lode Belt, Amador County, California: unpublished M.S. thesis, University of Arizona, 138 p.