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Eight sheets from a large-scale detailed topographic map of Sumatra (many other sheets are missing). Includes crops (rice, coconut, coffee, banana, sugar, gambier, cinnamon, bamboo, alang-alang, arenga palm), routes (railways, roads), settlements.

Map of the Penang Strait, including written instructions on how to navigate the strait. On land, areas of cultivation are marked, with a table listing acreage used for each crop. A boundary with Siam based on an 1831 treaty is also shown.