<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31425656</termId><termName>whaleback vessels</termName><termType>PT</termType><termNote><![CDATA[ Vessels with tubular or rounded topsides, creating a convex deck which allowed seas to run freely over the hull; form originated on the Great Lakes in 1896. ]]></termNote><termCreatedDate>2026-03-30 20:54:51</termCreatedDate><relation><relationType>UF</relationType><termId>31425657</termId><termName>backs, turtle</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31425658</termId><termName>turtle backs</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31425659</termId><termName>vessels, whaleback</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31425660</termId><termName>whaleback vessel</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31395503</termId><termName>watercraft by superstructure configuration</termName><termType>PT</termType></relation></term>  </Zthes>