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	mads.xsd"><authority><topic authority="https://bibliotecadigital.fia.cl/tesauro/vocab/">Canal natural</topic></authority><related type="narrower"><topic>Canal de navegación</topic></related><related type="narrower"><topic>Canal de resaca</topic></related><related type="narrower"><topic>Canal marinos</topic></related><related type="other"><topic>Canal</topic></related><related type="other"><topic>Canal de playa</topic></related><related type="other"><topic>Draga</topic></related><related type="other"><topic>Corriente de agua</topic></related><related type="other"><topic>Karst</topic></related><related type="other"><topic>Valle</topic></related><related type="other"><topic>Río</topic></related><related type="other"><topic>Ensenada</topic></related><related type="broader"><topic>Aspecto fisiográfico</topic></related></mads>