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The United States Treasury Department produced this map of trade routes crossing the Pacific Ocean between the United States and Asia. Each route is labelled with the names of its ports, and with the distance between them in miles.

Map of Sumatra and surrounding islands, with residencies—administrative districts—shown by coloured borders. There are inset maps of two residencies surrounding Padang, and of Groot-Atjeh (Aceh). Rivers, railways, roads and settlements are marked.

Map of Asia featuring steamship routes—including around Southeast Asia—connecting ports such as Penang, Singapore, Batavia (Jakarta), Saigon, Bangkok, Rangun (Yangon), Manila, Macassar (Makassar) etc. There is also an inset map of Singapore.

Map of stream ship trade routes around Southeast Asia. Rivers, railways, submarine telegraph cables, lighthouses (fixed, revolving and flashing), graving docks and coaling stations are marked. An inset map shows a railway route from Britain to Asia.

A nautical chart of the Indian Ocean showing bathymetry (sea depth), including in great detail around the seas and straits of Southeast Asia.

This four-sheet map of India—featuring an inset map of Burma (Myanmar) —was created for use in Indian schools by Devendranath Dhar, a self-taught Calcutta-based mapmaker. He sent it to the Royal Asiatic Society for advice on publication.

A late 19th century map of the Dutch East Indies on four sheets, detailing maritime routes around the region. There are also inset maps showing railways, rivers, roads, and telegraph systems, as well as individual islands and cities.

This late 19th century map of Southeast Asia shows the best maritime routes around the region, according to the time of year. There are also inset maps highlighting the rivers and southern islands of Singapore, and the sea depth around Labuan Island.

Map of the Eastern Hemisphere featuring a maritime route from the Netherlands to the port of Batavia (Jakarta) in the East Indies, with each day’s progress marked. Other routes around the region and back to Europe via the Suez Canal are also shown.

Map of the Eastern Hemisphere featuring a maritime route from the Netherlands to the port of Batavia (Jakarta) in the East Indies, with each day’s progress marked. Other routes around the region and back to Europe via the Suez Canal are also shown.

This navigation map of the mouth of the Kaladan River on the west coast of Arracan (modern Myanmar) features drawings of coastal features (elevations), bathymetry (sea depth), shoals and reefs, landmarks, and notes on how to enter the river safely.

This late 19th century map of Southeast Asia shows the best maritime routes around the region, according to the time of year. There are also inset maps highlighting the rivers and southern islands of Singapore, and the sea depth around Labuan Island.