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Navigation map of the southern part of the South China Sea, including the straits of Malacca and Singapore, and the Riau Archipelago. Bathymetry (sea depth), lighthouses, shoals and other obstructions are marked, with hills to use as landmarks.

Navigation map of the southern part of the Strait of Malacca. Bathymetry (sea depth), lighthouses (in red and yellow), shoals and other obstructions (clay, coral, mud, rocks, shells, stones, sand) are marked, with hills to use as landmarks.

Map of Sumatra and surrounding islands, with residencies—administrative districts—shown by coloured borders. There are inset maps of two residencies surrounding Padang, and of Groot-Atjeh (Aceh). Rivers, railways, roads and settlements are marked.