MapNile-Congo watershed / Catalog Record Only Relief shown by form lines. "Geographical Journal, Sep. 1917 [vol. 50, no. 3, pp. 199-216.]." Shows physical features, boundaries, author's route, populated places, ethnic and tribal groups, railways, routes, and desert trails. Includes note and inset of: Africa showing the chief trans-continental routes, scale 1:50,000,000, or I/ 50 M.
- Contributor: Christy, Cuthbert - Royal Geographical Society (Great Britain)
- Date: 1917