<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31352058</termId><termName>undersea platforms</termName><termType>PT</termType><termNote><![CDATA[ Flat or gently sloping underwater surfaces, extending seaward from shorelines.  ]]></termNote><termCreatedDate>2026-03-30 20:35:01</termCreatedDate><relation><relationType>UF</relationType><termId>31352059</termId><termName>platforms, undersea</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31352060</termId><termName>undersea platform</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31324173</termId><termName>undersea landforms</termName><termType>PT</termType></relation></term>  </Zthes>