<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31352008</termId><termName>undersea knolls</termName><termType>PT</termType><termNote><![CDATA[ Hills on the sea floor, usually rising more than 500 meters and less than 1,000 meters, and with limited extent across summits.  ]]></termNote><termCreatedDate>2026-03-30 20:35:00</termCreatedDate><relation><relationType>UF</relationType><termId>31352009</termId><termName>knolls, undersea</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31352010</termId><termName>undersea knoll</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31324173</termId><termName>undersea landforms</termName><termType>PT</termType></relation></term>  </Zthes>