Surma (sûr´mə, sŏŏr´mä), river, 320 mi (515 km) long, rising in the Manipur hills, NE India, and flowing generally W through the Surma valley, where the river is dispersed into numerous streams; rejoined at the western end of the valley, the Surma joins the Meghna River in NE Bangladesh. The alluvial valley, astride the India-Bangladesh border, is fertile; rice, tea, and oilseed are the chief crops.
"Surma." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (November 15, 2018). https://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/surma
"Surma." The Columbia Encyclopedia, 6th ed.. . Retrieved November 15, 2018 from Encyclopedia.com: https://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/surma