Congo River's course according to Mr. [Henry Morton] Stanley is shown. River's previously supposed course according to Captn. [James Hingston] Tuckey superimposed in hairline. Expedition route shown in red. Relief shown by hachures and spot heights. From: Proceedings of the Royal Geographical Society and monthly record of geography. Vol. 3 (1881), no. 1, pp. 20-6; held in Firestone Library. Call number: G7 .J6873