<?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="http://AATesaurus.cultura.gencat.cat/aat/getty_en">karst areas</topic></authority><related type="broader"><topic>landforms</topic></related><variant type="other"><topic>areas, karst</topic></variant><variant type="other"><topic>karst</topic></variant><variant type="other"><topic>karst area</topic></variant><variant type="other"><topic>karsts</topic></variant> <note xml:lang="en"><![CDATA[ Distinctive landscapes, usually located on soluble rock such as irregular limestone, and characterized by caverns, sinkholes, fissures, ridges, and underground drainage. The term is derived from the Karst region of Slovenia. ]]></note></mads>