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| Keith, Stanton B. (1975), Arizona Bureau of Mines Bull. 191, Index of Mining Properties in Santa Cruz County Arizona: 81 (Table 4); Schrader (1915): 296-306; Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 112; Wilson, E.D. & G.M. Butler (1930), Manganese ore deposits in AZ, AZ Bur. Mines Bull. 127: 94-95; Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, AZ, USGS Bull. 582: 296-297, 299-305; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 58; Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, AZ, USGS Bull. 582: 303; Arizona Bureau of Mines file data. |