Relief shown by hachures.; Covers areas of southwestern Sudan, eastern Central African Republic and very northeastern Congo.; Shows "Dr. Schweinfurth's routes 1869-1871" in red.; Probably from: The heart of Africa / Georg Schweinfurth (New York : Harper & Brothers, 1874).; "Lith. v. C. Korbgeweit."28 x 40 centimetersJPEGUMN_ALMA:9916256800001701engHarper & Brothers (New York)PublicMap of Dr. Schweinfurth's discoveries in Central AfricaMapsAfrica1874University of Minnesota