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A geological map of western Borneo made by a mine engineer, showing the types of soil, coal, clay, and rock (limestone, sandstone, granite, basalt), as well as gold, diamonds, tin, copper and iron found along the rivers.

Topographic map of the residency of Rembang, Central Java, divided into regencies and districts. Roads and villages are marked, with shoals, reefs and water depth at sea. An inset map of the city of Rembang features markets, warehouses, churches.