Outward route of expedition, from Jeypore on Booree Dehing [Dihing] River, shown in red. Homeward route shown in green. Extent of navigability along Brahmaputra River tributaries is shown. Relief shown by hachures and spot heights. From: The Journal of the Royal Geographical Society of London. Vol. 41 (1871), pp. 342-8; held in Firestone Library. Call number: G7 .J687 v.47 1877