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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.

Plan of the city of Manila, Philippines, showing the streets and buildings—categorised as military, civil or religious—around the Pasig River. Maritime routes are highlighted on inset maps of Manila Bay, the Philippines and the world.

Mountains and rivers are the main land features on this map of the Philippines. Steamship routes from Hong Kong, Singapore and New York arrive at Manila. An inset map of Manila Province shows locations of the Philippine–American War (1899–1902).

Six maps of locations from the Spanish-American War (1898), including one of the Philippines featuring mountains, rivers, islands and settlements. There is also a world map featuring maritime routes, including around Southeast Asia.

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.

Three maps of the Caroline Islands. One shows colonised areas in Southeast Asia: Dutch East Indies; British North Borneo, British New Guinea; German New Guinea; Philippines (Spain); Portuguese Timor. The route of the Challenger expedition is marked.

Two maritime routes—for use during the North-east and ‘fair’ monsoons—are shown on this late 19th century navigation map. The routes lead north through Southeast Asia, passing the Philippines, and ending in Hong Kong. Bathymetry (sea depth) is shown.

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.

To aid navigation, this map shows small islands, shoals and reefs, maritime routes for use during monsoons or at particular times of the year, bathymetry (sea depth), tide information, shipwrecks, compass roses and landmark mountains at the coasts.

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.

Chart of the Indian Ocean, showing climate and weather-related data, including around the seas and straits of Southeast Asia where trade routes are marked, along with monsoon and typhoon regions, and currents during the different monsoon seasons.