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Maritime map of the Philippines, with inset maps of bays showing bathymetry (sea depth), shoals, reefs and anchor points. There is also an inset map of Taal Volcano, and elevations (side views of terrestrial landmarks like mountains and islands).

Based on surveys by Sir Stamford Raffles, this German map of Sumatra focuses on the navigation of coasts and straits, with bathymetry (sea depth), anchor points, shoals and reefs marked, including on inset maps of Singapore and the Bangka Strait.