{"tema_id":"4317","string":"Minas - Explotaci\u00f3n a cielo abierto","created":"2009-06-04 09:54:56","code":null,"notes":[{"@type":"Nota hist\u00f3rica","@lang":null,"@value":"Se puede usar con un subencabezamiento geogr\u00e1fico. "},{"@type":"Nota bibliogr\u00e1fica","@lang":null,"@value":"622.015\n622271 "}]}