This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
China Frontier Russia. LargeImage en Pictorial map Bird'seye view Relief shown pictorially The set of maps covers four frontier regions of the Manchu Dynasty Aihun area military colony since the middle of the th century on the north banks of the Amur Russian camp in eastern Siberia Taiwan and Pescadores Islands and Inner Mongolia