<?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">isoline maps</topic></authority><related type="other"><topic>contour maps</topic></related><related type="broader"><topic>maps by form</topic></related><variant type="other"><topic>isoline map</topic></variant><variant type="other"><topic>isopleth maps</topic></variant><variant type="other"><topic>maps, isoline</topic></variant> <note xml:lang="en"><![CDATA[ Maps displaying the distribution of a characteristic, such as precipitation, vegetation, or another feature, by using lines that connect points of equal value. They are distinct from "contour maps" in that they typically do not show the distribution of elevation of the landscape. ]]></note></mads>