Locality: Dragon Mine (Dragon Consolidated Mine; Dragon Iron Mine; International S. & R. Company; Filtrol Halloysite Mine), Silver City, Tintic Mining District, Juab County, Utah, USA Reference: Patterson,Sam H. and Murray.Haydn H. (1984) Kaolin,Refractory Clay,Ball Clay,and Halloysite in North America,Hawaii and the Caribbean Region : USGS ...Web