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USA | |
| Wilson, E.D. & G.M. Butler (1930), Manganese ore deposits in AZ, AZ Bur. Mines Bull. 127: 99 Jones, E.L., Jr. & F.L. Ransome (1920), Deposits of manganese ore in Arizona, USGS Bull. 710-D: 180-181. |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 289. Long, W.J., et al (1948), Concentration of miscellaneous oxide manganese ores from Yavapai, Yuma, Maricopa and Mohave Cos., AZ, US Bur. of Mines Rept. Inv. 4291. |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 289. |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 253 Jahns, Richard H. (1952), Pegmatite Deposits of the White Picacho District, Maricopa and Yavapai Counties, Arizona, Arizona Bureau of Mines Bull. 162 |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 289. Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 36. |
Wickenburg area, Yavapai County, Arizona, USA