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| Anthony, John W., Williams, Sidney A., Bideaux, Richard A., Grant, Raymond W. (1995) Mineralogy of Arizona (3rd ed.) University of Arizona Press, Tucson, AZ. Nye, Thomas Spencer (1968) The Relationship of Structure and Alteration to Some Ore Bodies in the Bisbee (Warren) District, Cochise County, Arizona. University of Arizona, Ph.D Thesi |
| Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 108. |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 372 Schwartz, G.M. & C.F. Park, Jr. (1932), A microscopic study of ores from the Campbell mine, Bisbee, AZ, Econ.Geol.: 27: 39-51. |