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A geological map showing the types of rock and minerals found in the Oembilien coalfield, in the Padang Highlands on Sumatra’s west coast. Coal, rocks and fossils are marked, and the heights of mountains are given.

A geological map, spread over eight sheets, showing the types of rock and minerals found in the Oembilien coalfield, in the Padang Highlands on Sumatra’s west coast. There are also additional geological profiles.

Map of the Dutch East Indies, divided into administrative regions with coloured borders. There is an inset map of the important port city of Batavia (Jakarta) and its surroundings.

Map of the Dutch East Indies, divided into administrative regions with coloured borders. There is an inset map of the important port city of Batavia (Jakarta) and its surroundings.