<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31305508</termId><termName>avalanches</termName><termType>PT</termType><termNote><![CDATA[ Occurrences of rapid descent of large masses of snow or ice down a mountainside. ]]></termNote><termCreatedDate>2026-03-30 20:22:11</termCreatedDate><relation><relationType>UF</relationType><termId>31305509</termId><termName>avalanche</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31298846</termId><termName>natural events</termName><termType>PT</termType></relation></term>  </Zthes>