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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.

A late 19th century map of the Minahasa Peninsula, northern Celebes (Sulawesi), marked with the locations of mines (‘mÿnen’). The red borders indicate areas for ‘mijnbouwkundig onderzoek [mining research]’.

On this map of the east coast of northern Sumatra, red borders divide the land into agricultural properties, each with a number to identify it. The whole area is divided into colour-coded administrative districts.

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.