Depth shown by soundings and shading. Relief shown by hachures. "The figures denote the depth of water during the dry season in feet. In the rainy season the water rises from 6-16 feet. Rise and Fall at the Bar 5 feet." Vegetation along riverbanks is shown. From: Journal of the Royal Geographical Society of London. Vol. 46 (1876), pp. 428-31; held in Firestone Library. Call number: G7 .J687 v.46 1876