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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).

Produced in Spain, this mid-19th century map details the islands of Visayas, Mindanao and Palawan in the Philippines archipelago. Bathymetry (sea depth) is marked around the islands and on four detailed inset maps of ports in the region.

A late 18th century maritime map of Southeast Asia, marked with expedition routes including the return of Captain Cook’s HMS Endeavour from Australia in 1770, and Captain Philip Carteret’s circumnavigation expedition in 1768.

These three maps are marked with shoals, rocks, water depth, safe entry points, and anchorage locations, to help ships safely anchor. The sites include the Joseph Freewill Islands (Mapia Atoll, Indonesia) and the coast of Mindanao in the Philippines.