<?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">surveyors&apos; chains</topic></authority><related type="broader"><topic>measuring chains</topic></related><related type="broader"><topic>chains</topic></related><variant type="other"><topic>Gunter&apos;s chain</topic></variant><variant type="other"><topic>Gunter&apos;s chains</topic></variant><variant type="other"><topic>chain, surveyor&apos;s</topic></variant><variant type="other"><topic>chains, Gunter&apos;s</topic></variant><variant type="other"><topic>chains, surveyors&apos;</topic></variant><variant type="other"><topic>surveyor&apos;s chain</topic></variant> <note xml:lang="en"><![CDATA[ Surveyors' measuring devices consisting of 100 steel links each 7.92 inches long joined in a chain 66 feet long; precursors of engineers' chains. ]]></note></mads>