Search

Navigation map of the waters and straits around some of the islands of the Riau Archipelago, between Sumatra and Batam. Bathymetry (sea depth), current and tide data, reefs, shoals and other obstructions (clay, mud, shells, stones, sand) are marked.

This map of the Madura Strait between Java and Madura is designed to aid navigation: bathymetry (water depth), lighthouses, shoals and reefs, rocks and mud, anchor points, and landmark mountains are all marked. Text describes the tidal conditions.

Map of Ara Bay (east coast of Sumatra). Bathymetry (sea depth), tide data, reefs, shoals and other obstructions (clay, mud, shells, stones, sand) are marked. Underwater trenches are shown, with light buoys, and there is an elevation view of the bay.

Map of the mouth of the Langkat River on the east coast of Sumatra. Bathymetry (sea depth), tide data, reefs, shoals and other obstructions (mud, sand) are marked. A series of numbered buoys marks a safe channel to enter the river.

Map of the mouths of the Palembang (Musi) and Banjoe Asin (Banyuasin) rivers, on the east coast of Sumatra. Bathymetry (sea depth), tide data, reefs, shoals and other obstructions (clay, mud, sand) are marked.

Navigation map of the Riau Strait between Batam, Bintan and Rempang (Riau Archipelago). Bathymetry (sea depth), current and tide data, reefs, shoals and other obstructions are marked. A second map features improvements to part of the original map.

Navigation map of the west coast of Celebes (Sulawesi), north of Makassar. Bathymetry (sea depth), shoals and other obstructions are marked, with hills and settlements as landmarks, and elevations (side views of hills) to aid navigation.

Navigation map of the west coast of Celebes (Sulawesi), north of Makassar. Bathymetry (sea depth), lighthouses, shoals and other obstructions are marked, with trees and hills as landmarks, and elevations (side views of hills) to aid navigation.

Navigation map of the west coast of Celebes (Sulawesi), north of Makassar. Bathymetry (sea depth), shoals and other obstructions are marked, with hills and settlements as landmarks, and elevations (side views of hills) to aid navigation.