(Encyclopedia) Roanoke, river, c.410 mi (660 km) long, rising in SW Va. and flowing generally southeast across the Blue Ridge Mts. and into Albemarle Sound, NE N.C. The lower river is navigable for…
(Encyclopedia) Osage, river, c.360 mi (580 km) long, formed by the confluence of the Marais des Cygnes and the Little Osage rivers, W Mo. It flows NE to join the Missouri River near Jefferson City.…
(Encyclopedia) Ohio, river, 981 mi (1,579 km) long, formed by the confluence of the Allegheny and Monongahela rivers in SW Pa., at Pittsburgh; it flows northwest, then generally southwest to enter…
(Encyclopedia) Snake, river, 1,038 mi (1,670 km) long, NW United States, the chief tributary of the Columbia; once called the Lewis River. The Snake rises in NW Wyoming, in Yellowstone National Park…
(Encyclopedia) Deerfield, river, 70 mi (113 km) long, rising in S Vt. and flowing S into NW Mass., then SE to the Connecticut River at Greenfield, Mass. The river has extensive hydroelectric…
(Encyclopedia) Kings, river, 125 mi (201 km) long, rising in three forks in the Sierra Nevada, E Calif., and flowing SW to Tulare Lake in the San Joaquin valley. Its middle and southern forks flow…
(Encyclopedia) Missouri, river, c.2,565 mi (4,130 km) long (including its Jefferson-Beaverhead-Red Rock headstream), the longest river of the United States and the principal tributary of the…
(Encyclopedia) ThamesThamestĕmz [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,…
(Encyclopedia) WeiWeiwā [key], river, c.450 mi (720 km) long, rising in SE Gansu prov. and flowing E through Gansu and Shaanxi provs. to the Huang He. Its wide, alluvial valley was the site of some…
(Encyclopedia) Spokane, river, c.100 mi (160 km) long, rising in Coeur d'Alene Lake, N Idaho, and flowing through NE Washington to the Columbia River. Dams on the river include Nine Mile, Long Lake,…
