Lakes on each map are drawn and labeled according to historical geographic knowledge from the corresponding date. Route of the last expedition of Dr. Livingston shown in red. Also includes captions describing previous mapping efforts. Relief shown by hachures and spot heights. From: The Journal of the Royal Geographical Society of London. Vol. 37, (1867), p. 193-212; held in Firestone Library. Call number: G7 .J687 v.37 1867