"Eleventh Detail Map of CHINESE TARTARY, which Contains the Lands Controlled by Russia West of NERCHINSK" from the 1737 <i>New Atlas of China, Chinese Tartary, and Tibet</i>.<br><p><br></p>
Lake Baikal appears as Paykal Omo. Niptchou (Manchu: <i>Nibcu</i>; Chinese: 尼布楚, <i>Nibuchu</i>) is the Russian Nerchinsk and its district Nerschinskoy or Nerckzinskoy.
<bdi><a href="https://en.wikipedia.org/wiki/en:Jean-Baptiste_Bourguignon_d%27Anville" class="extiw" title="w:en:Jean-Baptiste Bourguignon d'Anville"><span title="French cartographer and geographer">Jean Baptiste Bourguignon d'Anville</span></a>
</bdi>
1737
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