<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31344357</termId><termName>coal mining waste</termName><termType>PT</termType><termNote><![CDATA[ Waste material produced by the process of coal mining, that may include coal gangue found in mining heaps, the light gray, washed waste produced during coal preparation, the red-colored burnt coal gangue caused by pyrite oxidation, and a high percentage of coal itself. ]]></termNote><termCreatedDate>2026-03-30 20:32:52</termCreatedDate><relation><relationType>UF</relationType><termId>31344358</termId><termName>waste, coal mining</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31320444</termId><termName>waste</termName><termType>PT</termType></relation></term>  </Zthes>