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Late 19th century map of the Makassar Strait between Borneo and Celebes (Sulawesi), with shoals and reefs, bathymetry (sea depth), shipwrecks and other navigation aids marked. On land, mountains, with their heights, and rivers are shown.

Topographical map of western Borneo, with inset maps of the islands off the west coast, and of the city of Pontianak including the docks and crops grown near the city (rice, coconut, mangosteen, sago, alang-alang, indigo plant, sugarcane, bamboo).

Topographical map of western Borneo. Larger settlements are marked with their height above sea-level and with a flag to indicate a military garrison. They also have a letter signifying the local ruler, from Sultan to Lauthai (village elder).