20250709 15123500 1.0 TRUE Current Thurston County Designated Mineral Land This data shows all known mines in Thurston County. The data was created on 09/15/1999, and defines mine type, operator, and permit designation, if applicable. The designated mineral resource spatial and attribute data were updated in 10/15/2003 (abc). Designated mines info was provided by Jennifer Hayes, of the Thurston County Planning Department. Thurston County