<?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">erosion protection works</topic></authority><related type="narrower"><topic>breakwaters</topic></related><related type="narrower"><topic>gabions</topic></related><related type="narrower"><topic>groins</topic></related><related type="narrower"><topic>wing dams</topic></related><related type="narrower"><topic>hydraulic gates</topic></related><related type="narrower"><topic>jetties</topic></related><related type="narrower"><topic>riprap</topic></related><related type="broader"><topic>hydraulic structures by function</topic></related><variant type="other"><topic>water flow control works</topic></variant><variant type="other"><topic>works, erosion protection</topic></variant> <note xml:lang="en"><![CDATA[ Protective walls, pipes, or other structures designed to allow water to flow away from an area in order to avoid erosion of the soil. ]]></note></mads>