<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31471302</termId><termName>brownstone</termName><termType>PT</termType><termNote><![CDATA[ A brown or reddish-brown sandstone whose grains are generally coated with iron oxide. ]]></termNote><termCreatedDate>2026-03-30 21:06:50</termCreatedDate><relation><relationType>BT</relationType><termId>31457369</termId><termName>ferruginous sandstone</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31478261</termId><termName>Portland sandstone</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31478264</termId><termName>Seneca sandstone</termName><termType>PT</termType></relation></term>  </Zthes>