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Details of each area’s resources are printed on this map of Sumatra: rattan, coffee, pepper, Chinese cinnamon, tobacco, resins, camphor, cotton, coal, gold, lumber, elephants, horses, as well as the locals’ ethnicity (Malays, Javanese, Acehnese).

Map of the Sambas Regency on the west coast of Borneo, divided into parcels of land which are labelled with the names of businesses that have been issued with concessions: yellow borders denote agricultural concessions; red are mining concessions.

The seas of the Dutch East Indies are the focus of this map, with maritime routes, sea temperature, sea depth, currents and monsoons shown. There are graphs of population by ethnicity, agriculture and livestock, trade and shipping, and trade exports.

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.