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USA | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. Patterson,Sam H. and Murray.Haydn H. (1984) Kaolin,Refractory Clay,Ball Clay,and Halloysite in North America,Hawaii and the Caribbean Region : USGS Professional Paper 1306 USGS Bull 1142K |
- East Tintic Mining District
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
- North Tintic Mining District
| Lovering, T. S., & SHEPAKD, A. O. (1960). Hydrothermal argillic alteration on the Helen claim, East Tintic district, Utah. In Clays and clay minerals (pp. 193-202). Pergamon. |
Dragon Mine, Silver City, Tintic Mining District, Juab County, Utah, USA