<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31478206</termId><termName>magnesian limestone</termName><termType>PT</termType><termNote><![CDATA[ Limestone containing the combined carbonate of lime and magnesium, and frequently used for building. ]]></termNote><termCreatedDate>2026-03-30 21:08:46</termCreatedDate><relation><relationType>UF</relationType><termId>31478207</termId><termName>dolomitic limestone</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31478208</termId><termName>limestone, dolomitic</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31478209</termId><termName>limestone, magnesian</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31471258</termId><termName>limestone by composition: aggregate type</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31480813</termId><termName>dolostone</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31480816</termId><termName>Solnhofen stone</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31480827</termId><termName>Mankato stone</termName><termType>PT</termType></relation></term>  </Zthes>