<?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">steam locomotives</topic></authority><related type="broader"><topic>locomotives by method of propulsion</topic></related><variant type="other"><topic>engines, steam</topic></variant><variant type="other"><topic>locomotive, steam</topic></variant><variant type="other"><topic>locomotives, steam</topic></variant><variant type="other"><topic>locomotives, steam engine</topic></variant><variant type="other"><topic>steam engine locomotives</topic></variant><variant type="other"><topic>steam engines</topic></variant><variant type="other"><topic>steam locomotive</topic></variant> <note xml:lang="en"><![CDATA[ Locomotives powered by onboard internally fired boilers through which hot exhaust gases flow from a firebox in the rear to a smokebox and stack at the front and in which high-pressure steam expands within cylinders to drive two pistons; often having coal or water tenders coupled behind. ]]></note></mads>