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Oka, river, central European Russia
(Encyclopedia)Oka əkäˈ [key], river, c.925 mi (1,490 km) long, rising S of Orel, central European Russia. It flows N past Orel and Kaluga, E past Serpukhov, Kolomna, and Ryazan, and then NE past Murom to join th...Oise, river, Belgium and France
(Encyclopedia)Oise, river, 186 mi (299 km) long, rising in the Ardennes Mts., S Belgium, and flowing through N France generally SW past Compiègne to join the Seine River near Pontoise. Navigable for most of its le...Catawba, river, N.C. and S.C.
(Encyclopedia)Catawba, river, N.C. and S.C.: see Wateree. ...Black Warrior, river, United States
(Encyclopedia)Black Warrior, navigable river, 178 mi (286 km) long, rising in N central Ala. and flowing generally SW to the Tombigbee River. The Black Warrior drains a coal- and cotton-producing area, but these in...Bujumbura
(Encyclopedia)Bujumbura bo͞oˌjəmˈbo͝orˈə [key], city, commercial capital of Burundi and capital of Bujumbura Mairie ...Ruwenzori
(Encyclopedia)Ruwenzori ro͞oˌwənzōˈrē [key], mountain range, E central Africa, on the Uganda-Congo border, in the western arm of the Great Rift Valley between lakes Albert and Edward. This fault-block range i...Bangweulu
(Encyclopedia)Bangweulu –wēōˈlō [key], lake and swamps, c.3,800 sq mi (9,840 sq km), NE Zambia. The lake is c.50 mi (80 km) long and 25 mi (40 km) wide. Commercial fishing is pursued in the lagoons of the swa...Nyamuragira
(Encyclopedia)Nyamuragira or Nyamulagira, active volcano (11,033 ft/3,058 m), S Virunga range, in E Congo (Kinshasa) near the Rwanda border, N of Lake Kivu and 15 mi (25 km) N of Goma, in S Virunga National Park. A...Kananga
(Encyclopedia)Kananga lo͞olwäbo͞orˈ [key], city (1984 pop. 298,693), capital of Kasai-Central prov., S central Congo (Kinshasa), on the Lulua River. It is the commercial and transportation center of a region wh...hemorrhagic fever
(Encyclopedia)hemorrhagic fever hĕmˌərăjˈĭk [key], any of a group of viral diseases characterized by sudden onset, muscle and joint pain, fever, bleeding, and shock from loss of blood. Bleeding occurs in the ...Browse by Subject
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