Columbia Encyclopedia

(Encyclopedia) Uruguay yo͝oˈrəgwā, gwī, Span. o͞oro͞ogwiˈ, o͞oro͞owīˈ [key], river, c.1,000 mi (1,610 km) long, rising in S Brazil and flowing in an arc W, SW, and S to the Río de la Plata, an estuary; ...

(Encyclopedia) European Launcher Development Organization (ELDO): see European Space Agency. ...

(Encyclopedia) Thames tĕmz [key], river, c.160 mi (260 km) long, rising NW of Woodstock, S Ont., Canada, and flowing SW past London and Chatham to Lake St. Clair. It is navigable to Chatham, near which was fought (...

(Encyclopedia) Delaware dĕlˈəwâr, –wər [key], river, c.280 mi (450 km) long, rising in the Catskill Mts., SE N.Y., in east and west branches, which meet at Hancock. It flows SE along the New York–Pennsylvan...

(Encyclopedia) Lewis and Clark expedition, 1803–6, U.S. expedition that explored the territory of the Louisiana Purchase and the country beyond as far as the Pacific Ocean. The men were gathered and in the winte...

(Encyclopedia) Lackawanna, river, 35 mi (56 km) long, rising in NE Pa. and flowing southwest to join the Susquehanna River near Pittston. It crosses the chief anthracite-coal region of the state, passing the cities ...

(Encyclopedia) Tweed, river, 97 mi (156 km) long, rising in the Southern Uplands of Scotland. It flows E through S Scotland then NE, forming the Scotland-England border for 17 mi (27 km) before entering the North Se...

(Encyclopedia) Red Deer, river, 385 mi (620 km) long, rising in the Rocky Mts. in Banff National Park, SW Alta., Canada, and flowing NE past Red Deer city, then SE and E across the plains to the South Saskatchewan R...

(Encyclopedia) Kansas or Kaw, river, 170 mi (274 km) long, formed by the junction of the Smoky Hill and Republican rivers in NE Kansas and flowing E to the Missouri River at Kansas City; the system drains parts of K...

(Encyclopedia) Hudson, river, c.315 mi (510 km) long, rising in Lake Tear of the Clouds, on Mt. Marcy in the Adirondack Mts., NE N.Y., and flowing generally S to Upper New York Bay at New York City; the Mohawk River...