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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.

Large-scale topographic map of the northeast coast of Sumatra around the city of Sigli, Aceh, spread over 16 sheets plus a cover sheet of the whole area. The map focuses on two river valleys, mountains, marshland, villages and rice paddies.

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.

Map of Groot-Atjeh (Aceh, Sumatra), focusing on the area around the capital Kota Radja (Banda Aceh) and along the coasts. There is a list of telephone connections in the area, and an inset map of the region divided into administrative districts.

Map of Pedirstreek (Pidie Regency) on the east coast of Aceh, Sumatra, spread over two sheets. It is divided into administrative areas, and features rice paddies, villages, mosques, roads and local fortifications.

Hand-drawn map of the Batang Hari River and its tributaries flowing through west from the city of Djambi (Jambi) to the Barisan Mountains. Types of terrain are noted along the route, e.g. ‘laag heuvelachtig boschterrein [low hilly forest terrain]’.

A map of Groot-Atjeh, Lepoeng and Lehoeng, at the northern tip of Sumatra, detailing routes (rivers, roads, railways), crops (rice, banana, sugarcane, betel, pepper, alang-alang, bamboo) and land features (forests, mountains, wetlands).

Very detailed atlas of the entire Dutch East Indies, over 16 map sheets, with a cover and overview map. Includes topographic maps, inset maps of cities and islands, and maps featuring land and sea routes, languages, geology, colonial territory etc.

Navigation map of the waters around the islands of Bengkalis, Pedang and Tebingtinggi, off the east coast of Sumatra. Bathymetry (sea depth), tide data, reefs, shoals and other obstructions (clay, mud, shells, sand) are marked.

Map of the mouth of the Rokan River on the east coast of Sumatra. Bathymetry (sea depth), tide data, reefs, shoals and other obstructions (clay, mud, shells, sand) are marked. Underlined numbers give the height of the ground above the water.

Fifteen separate maps of bays and river mouths of Sumatra, including bathymetry (sea depth), anchor points, reefs and shoals, and tide data. There is a drawing of the mouth of the Pidada-rivier.

Eleven separate maps of bays and river mouths of Sumatra, including two bays on the island on Bras (Breueh Island), and the bay at Kota Radja (Banda Aceh). Bathymetry (sea depth), anchor points, reefs and shoals are marked, along with tide data.