The Columbia Encyclopedia, Sixth Edition. 2001-07.
Demerara
(dmrâr´) (KEY) , river, c.200 mi (320 km) long, rising in the Guiana Highlands, E Guyana, and flowing N to the Atlantic Ocean. Georgetown, Guyanas chief port, is at the rivers mouth. The Demerara is navigable for oceangoing vessels to Mackenzie, an important exporting center for bauxite and kaolin.