Relief shown by hachures and spot heights. Mountains, rivers, settlements, and indigenous territories are shown. Rocks, rapids, and cataracts in Essequibo, Corentyne, and Berbice Rivers are shown. From: The Journal of the Royal Geographical Society of London. Vol. 7 (1837), pp. 285-350; held in Firestone Library. Call number: G7 .J687 v. 7 1837