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USA | |
- La Paz Mining District (Weaver Mining District)
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 395 Adams, J.W. & M.H. Staatz (1969), Rare earths and thorium, in Mineral and water resources of Arizona, AZ Bur. Mines Bull. 180: 245-251. |
- Cave Creek Mining District
| US Atomic Energy Comm. RME-157, 197 MRDS file #10048198. |
| Brown, T. J. (2010), Geology & Geochemistry of the Kingman Feldspar, Rare Metals and Wagon Bow Pegmatites. University of New Orleans Theses and Dissertations. Paper 1280. Rocks & Min. (2007) 82:236-237 |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 395 Adams, J.W. & M.H. Staatz (1969), Rare earths and thorium, in Mineral and water resources of AZ, AZ Bur. of Mines Bull. 180: 245-251. |
| Grant, Raymond W., Bideaux, R.A., Williams, S.A. (2005) Minerals Added to the Arizona List 1995-2005 (1st ed.) (1958) Systematic mineralogy of uranium and thorium. Bulletin Vol. 1064. US Geological Survey doi:10.3133/b1064 |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 395 Olson, J.C. & J.W. Adams (1962), Thorium and rare earths in the United States exclusive of Alaska and Hawaii, USGS Min. Inv. Res. Map MR-28. |