Titled 'Dr Hooker's rough Sketch - Map of Route from Darjeeling to the Thibetan Passes'. Printed map with the following marked on it: Thibet [Tibet] Cholamo Plains, Lakes, Lachen Pass over Kong Lama, Lachoong Pass over Donkiah, Powhunny, Wallanchoong Pass, Kanglachema Pass, High Table Land of Thibet, Chomiomo, Kanchan--jhow, Tungu, Chumalari, Wallanchoong, Jangma, Jumnoo, Kubroo, Kinchin--junga [Kanchenjunga], Samdeng, Lachoong, Tunkra Mts, Tambur, Jangma, Pass, Kanglachem, Lachen Village, Lachoong, Thibet, Kamblachen, Choonjerma Pass, Jalloong, Yongri, Pundeem, Choongtan, Lalyp, Jalloong, Chorang, Nursingh Tumlono Residence of Rajah, Black Rock, Chola, Kankola Pass, Choomay River, Mywa Goola, Sinoolatak, Kullait, Rungbo, Ratong, Pemiongchi, Manom, Khabili, Kullait, Tambur, Hinwa, Sankuazung, Jwa, Phullogtt, Rumman, gt.Rungeet, Tendong, Teesta, Nongki, Tonglo, Little Rungeet, Route 1849, Darjeeling, Poua, Mai, Goong, Route 1848, Myong. An additional note explains that Darjeeling is a Sanitarium of the E.I.C. [East India Company] till lately rented from the Rajah of Sikkim. Now forcibly taken from him. Dr. Hooker's routes are marked in dotted lines: & the heights of the principal mountains are given in English feet.