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Navigation map of the west coast of Sumatra, including the cities of Padang and Bengkulu, and the Mentawai islands. Bathymetry (sea depth), lighthouses, shoals and other obstructions are marked, with hills and settlements to use as landmarks.

Navigation map of the waters and straits around some of the islands of the Riau Archipelago, between Sumatra and Batam. Bathymetry (sea depth), current and tide data, reefs, shoals and other obstructions (clay, mud, shells, stones, sand) are marked.

Map of Ara Bay (east coast of Sumatra). Bathymetry (sea depth), tide data, reefs, shoals and other obstructions (clay, mud, shells, stones, sand) are marked. Underwater trenches are shown, with light buoys, and there is an elevation view of the bay.

Map of the mouth of the Langkat River on the east coast of Sumatra. Bathymetry (sea depth), tide data, reefs, shoals and other obstructions (mud, sand) are marked. A series of numbered buoys marks a safe channel to enter the river.

Late 19th century map of the Makassar Strait between Borneo and Celebes (Sulawesi), with shoals and reefs, bathymetry (sea depth), shipwrecks and other navigation aids marked. On land, mountains, with their heights, and rivers are shown.

Map focusing on Kota Radja (city of Banda Aceh, Sumatra) during the Aceh War (1873–1904) fought between the Sultanate of Aceh and Dutch colonists. Dutch forts are shown in a zone around the city, and villages are marked in the surrounding country.

Map of the mouths of the Palembang (Musi) and Banjoe Asin (Banyuasin) rivers, on the east coast of Sumatra. Bathymetry (sea depth), tide data, reefs, shoals and other obstructions (clay, mud, sand) are marked.

Navigation map of the northwest coast of Sumatra. Bathymetry (sea depth), anchor points, shoals and other obstructions (clay, coral, mud, stones, sand) are marked, with hills and settlements to use as landmarks.

Navigation map of the Riau Strait between Batam, Bintan and Rempang (Riau Archipelago). Bathymetry (sea depth), current and tide data, reefs, shoals and other obstructions are marked. A second map features improvements to part of the original map.

Navigation map of the west coast of Celebes (Sulawesi), north of Makassar. Bathymetry (sea depth), shoals and other obstructions are marked, with hills and settlements as landmarks, and elevations (side views of hills) to aid navigation.

Four navigation maps of locations around Banka (Bangka) Island, east of Sumatra. Anchor points, lighthouses, bathymetry (sea depth), shoals and other obstructions and landmarks (hills, buildings, trees) are shown.

Navigation map of the west coast of Celebes (Sulawesi), north of Makassar. Bathymetry (sea depth), lighthouses, shoals and other obstructions are marked, with trees and hills as landmarks, and elevations (side views of hills) to aid navigation.