<?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">diaphragm earth dams</topic></authority><related type="broader"><topic>earth dams</topic></related><variant type="other"><topic>dams, diaphragm earth</topic></variant><variant type="other"><topic>diaphragm dams</topic></variant><variant type="other"><topic>diaphragm earth dam</topic></variant> <note xml:lang="en"><![CDATA[ Earth dams having a central core of thick masonry or concrete extending into the pervious underground strata and acting as a barrier against seeping water, while the surrounding banks of earth and rock fill provide stability. ]]></note></mads>