<?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">drainage systems</topic></authority><related type="broader"><topic>infrastructural systems</topic></related><related type="broader"><topic>man-made hydrographic features</topic></related><variant type="other"><topic>drainage networks</topic></variant><variant type="other"><topic>drainage system</topic></variant><variant type="other"><topic>networks, drainage</topic></variant><variant type="other"><topic>systems, drainage</topic></variant> <note xml:lang="en"><![CDATA[ Irrigation or piping network within a structure that conveys sewage, rainwater, or other material from point of entry to point of disposal, such as a public sewer. ]]></note></mads>