Navigation map of the southern part of the Strait of Malacca. Bathymetry (sea depth), lighthouses (in red and yellow), shoals and other obstructions (clay, coral, mud, rocks, shells, stones, sand) are marked, with hills to use as landmarks.
Oostkust Sumatra: Aroe-Baai
event1898
location_onIndonesia
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.
Oostkust Sumatra: Mond der Langkat rivier
event1898
location_onIndonesia
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.
Oostkust Sumatra: Monden der Palembang en Banjoe Asin rivieren
event1898
location_onIndonesia
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.
Straat Banka: Zuidblad
event1897
location_onIndonesia
Navigation map of the southern part of the Bangka Strait between Sumatra and Bangka Island. Bathymetry (sea depth), lighthouses, reefs, shoals and other obstructions (clay, coral, mud, stones, sand) are marked.
Oostkust Sumatra: Blad VII
event1896
location_onIndonesia
Navigation map of the waters around the islands of Bengkalis, Pedang and Tebingtinggi, off the east coast of Sumatra. Bathymetry (sea depth), tide data, reefs, shoals and other obstructions (clay, mud, shells, sand) are marked.
Oostkust Sumatra: Mond der Rokan-rivier
event1896
location_onIndonesia
Map of the mouth of the Rokan River on the east coast of Sumatra. Bathymetry (sea depth), tide data, reefs, shoals and other obstructions (clay, mud, shells, sand) are marked. Underlined numbers give the height of the ground above the water.