Goethite from selected localities.
USA | |
| Rocks and Minerals, (1988) 63:104-125 |
| Howard, J. Michael; Owens, Don R. (1995) Minerals of the Wilson Springs Vanadium Mines, Potash Sulphur Springs, Arkansas. Rocks & Minerals: 70(3): 154-170. |
| Rocks & Min.: 63:109.; Erickson, Ralph Leroy; Blade, Lawrence Vernon (1963) Geochemistry and petrology of the alkalic igneous complex at Magnet Cove, Arkansas. USGS Prof. Paper 425 |
Union Carbide Christy Vanadium Mine, Magnet Cove, Hot Spring County, Arkansas, USA