<?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">stadia rods</topic></authority><related type="other"><topic>leveling rods</topic></related><related type="broader"><topic>linear distance measuring devices</topic></related><variant type="other"><topic>rod, stadia</topic></variant><variant type="other"><topic>rods, stadia</topic></variant><variant type="other"><topic>stadia rod</topic></variant> <note xml:lang="en"><![CDATA[ Straight poles graduated with numerical and geometric marks that are held upright and used with transits or other surveying instruments equipped with stadia hairs to measure horizontal distances. For similar poles graduated with numerical marks for measuring heights or elevations, use "leveling rods." ]]></note></mads>