<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
	mads.xsd"><authority><topic authority="https://confrides.cpd.ua.es/tematres/vocab/">Minas y recursos mineros</topic></authority><related type="other"><topic>Recursos naturales</topic></related><related type="other"><topic>Materias primas</topic></related><related type="other"><topic>Minas - Industria</topic></related><related type="other"><topic>Mineralogía</topic></related><related type="other"><topic>Prospección</topic></related><related type="other"><topic>Regiones mineras</topic></related><related type="other"><topic>Técnica minera</topic></related><related type="other"><topic>Yacimientos minerales</topic></related><related type="other"><topic>Concesiones (Derecho administrativo)</topic></related><related type="broader"><topic>Área 10. Geología Económica y Minería</topic></related><related type="broader"><topic>Área 14. Mineralogía general</topic></related><variant type="other"><topic>Explotación minera</topic></variant><variant type="other"><topic>Minas</topic></variant><variant type="other"><topic>Minas - Explotación</topic></variant><variant type="other"><topic>Minerales</topic></variant><variant type="other"><topic>Recursos mineros</topic></variant><variant type="other"><topic>Terrenos mineros</topic></variant> <note xml:lang="">La subdivisión Minas y extracción bajo los nombres de los minerales.&lt;br&gt;&lt;br&gt;Bajo este encabezamiento, se encuentran las obras descriptivas y estadísticas sobre las minas y recursos mineros. </note> <note type="source" xml:lang="">553.3/.9&lt;br&gt;622 </note></mads>