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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.

This map of the Madura Strait between Java and Madura is designed to aid navigation: bathymetry (water depth), lighthouses, shoals and reefs, rocks and mud, anchor points, and landmark mountains are all marked. Text describes the tidal conditions.

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.

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.

Topographical map of western Borneo, with inset maps of the islands off the west coast, and of the city of Pontianak including the docks and crops grown near the city (rice, coconut, mangosteen, sago, alang-alang, indigo plant, sugarcane, bamboo).

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.