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:
Report Map on the Hydrogeographic Work of Expeditions to the Eastern Ocean and by Squadron Ships in the Eastern Ocean for and Preceeding Years WDL. Artwork ru fr Administration hydrogographique principale du ministre de la Marine en Kondriakov zh Kondriakov pt Kondriakov ar es Administracin Hidrogeogrfica Principal