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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.

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.

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.

Six maps of locations from the Spanish-American War (1898), including one of the Philippines featuring mountains, rivers, islands and settlements. There is also a world map featuring maritime routes, including around Southeast Asia.

Map of Java and Madura showing routes, especially for trading purposes, including railways, tramways, roads, ports for steamship services, harbours for different types of imports and exports. A list of train and tram routes is included.

Navigation map of the southwest coast of Celebes (Sulawesi), near Makassar. Bathymetry (sea depth), lighthouses (in red and yellow, with circles to show the extent of their range), shoals and other obstructions are marked.

Navigation map of the southern part of the Bangka Strait between Sumatra and Bangka Island. Bathymetry (sea depth), lighthouses, reefs, shoals and other obstructions (clay, coral, mud, stones, sand) are marked.