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Navigation map of the Riau Strait between Batam, Bintan and Rempang (Riau Archipelago). Bathymetry (sea depth), lighthouses, bouys, currents and obstructions are marked. There are side views of islands and mountains (elevations) to use as landmarks.

A navigation map of the northern tip of Sumatra, featuring bathymetry (sea depth), reefs, shoals, and side views of landmark mountains (elevations). Lighthouses are highlighted in red and yellow, with lines to indicate the limits of their range.

Map of part of the east coast of the Gulf of Papua, with river mouths, shoals, bathymetry (water depth). On land, notes on terrain (‘Hills 100 to 150 ft. high’), land (‘Good soil’), vegetation (‘Nipa and Sago Palms’) and people (‘Ipikoi Tribe’).

Four maps of areas with lakes in Celebes (Sulawesi), including the lakes and main watershed of the South Peninsula. Three of the maps feature cross-section views (elevations) which show types of rocks.

Map of part of the west coast of the Gulf of Papua, with islands, river mouths, shoals, bathymetry (water depth), notes to aid navigation. On land, notes on terrain (‘Limestone Hill’), vegetation (‘Pandanus & Nipa Palms’) and people (‘Paia Tribe’).

This map focuses on the southern coast including the capital Port Moresby, with the northern regions left mostly blank. There are four inset drawings of side views of mountains (elevations), and the border with German New Guinea is marked.

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.

A map of the watershed of the Bila and Pane rivers in northern Sumatra. In addition to many rivers/tributaries, mountains, roads, paths and administrative borders are marked. Side views of mountains (elevations) are shown to use a landmarks.

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).

Navigation map of the mouth of the Padang Tikar River, on the west coast of Borneo, featuring bathymetric (water depth) routes. Obstructions are marked with letters: ‘m’ (mud), ‘z’ (sand). Trees, hills and fishermen’s houses are shown as landmarks.

Navigation map of the mouth of the Padang Tikar River, on the west coast of Borneo, featuring bathymetric (water depth) routes. Obstructions are marked with letters: ‘m’ (mud), ‘z’ (sand). Trees, hills and fishermen’s houses are shown as landmarks.

An Atlas produced by an expedition in central Sumatra, including: maps of topography, geology, a number of rivers in the region; drawings of mountains, graphs of lengths of roads; family trees of the royal families of Djambi (Jambi) and Palembang.