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Navigation map of the mouths of the Koealoe (Kualu) and Panei (Barumun and Bila) rivers on the east coast of Sumatra. Large sand and mud banks, bathymetry (sea depth), bouys and currents are marked. On land, tall trees are shown to use as landmarks.

This map shows agricultural enterprises in eastern Java in the late 19th century. Land ownership, crops (cassava, kapok, peanuts, tobacco), factories (oil, sugar, coffee), and the offices of government officials are also shown.

This map shows the population density of Java and Madura in 1892. The area is divided into regencies, which are then subdivided into districts, with the districts shaded to represent its population. Each district is also listed under its regency.

This late 19th century map records the average rainfall at a variety of locations—marked with blue dots—on Java. Three types of forest are also shown: cultivated forest, wild forest under management, and wild forest not under management.

Land usage statistics are shown on this map of Java and Madura. The amount of land used in each district is indicated by green hash marks, and by a number giving its land use percentage. District names are listed and identified by a letter.