- Petermann, August Heinrich; Hassenstein, Bruno
- University of Illinois at Urbana-Champaign, University Library
43.3 x 52.6 cm. 1:2,000,000. Relief shown by hachures. Paris meridian. Hand colored. Lithography.
- Africa, Central--Civilization
Congo (Democratic Republic)--Discovery and exploration, European
Central African Republic--Discovery and exploration, European
Sudan--Discovery and exploration, European
Discovery Explorer routes
Roads and trails
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