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Included in a book chapter describing the northern peninsula of Halmahera, this map focuses on the coasts and nearby islands, with the interior left mostly blank. There are seven elevation views of mountains, and two inset maps.

This colourful hand-drawn portolan (nautical) chart was designed to aid navigation. It features a rhumbline network (the web of interconnected lines), bathymetry (sea depth), shoals and reefs, anchor points and written notes.