
(from the article `Demerara River`) ...(105 km) to Linden for bauxite; smaller ships reach Malali, 25 miles (40 km) farther upstream; beyond lie numerous rapids. Its name is that of the ... ...18th century the Dutch, joined by other Europeans, were moving their estates downriver toward the fertile soils of the estuaries and coastal mud ...
Found on
http://www.britannica.com/eb/a-z/e/46

Longest river in Guyana, South America, draining more than half the total area of the country; length 1,014 km/630 mi; it rises in the Guiana Highlands of southern Guyana and flows north past Bartica to meet the Atlantic at a 32 km/20 mi wide delta. Its course is interrupted by numerous rapids and falls, but its lower course is navi...
Found on
https://www.encyclo.co.uk/local/21221

a river flowing from S Guyana N to the Atlantic. ab. 550 mi. (885 km) long.
Found on
https://www.infoplease.com/dictionary/essequibo
No exact match found.