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Salmon, river, United States

(Encyclopedia)Salmon, river, c.425 mi (680 km) long, rising in many branches in the Sawtooth and the Salmon River mts., central Idaho. It flows northeast and is joined, at Salmon, by the Lemhi River, after which it...

Sandusky, river, United States

(Encyclopedia)Sandusky, river, c.120 mi (190 km) long, rising in N Ohio and flowing W through Bucyrus, then N past Tiffin to Sandusky Bay, an arm of Lake Erie. This landlocked bay, 18 mi (29 km) long, is one of the...

Provo, river, United States

(Encyclopedia)Provo, river, c.70 mi (110 km) long, rising in the Uinta Mts., NE Utah, and flowing SW past Provo to Utah Lake. It was early used for irrigation, but after Utah Lake was badly depleted in the 1930s, t...

Raisin, river, United States

(Encyclopedia)Raisin, river, 115 mi (185 km) long, rising in S Mich. and flowing E to Lake Erie at Monroe, Mich. After Detroit's surrender in the War of 1812, U.S. troops under Gen. James Winchester, sent to retake...

Osage, river, United States

(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. Bagnell Dam (comp...

Oswego, river, United States

(Encyclopedia)Oswego, river, 23 mi (37 km) long, formed by the confluence of the Oneida and the Seneca rivers, central N.Y., NW of Syracuse and flowing NW to Lake Ontario at Oswego. It has been canalized and incorp...

Pearl, river, United States

(Encyclopedia)Pearl, river, 485 mi (781 km) long, rising in E Miss. and flowing S to Lake Borgne, an inlet of the Gulf of Mexico; its lower section (116 mi/187 km) forms the Miss.-La. boundary. Above Jackson, Miss....

Pecos, river, United States

(Encyclopedia)Pecos, river, 926 mi (1,480 km) long, rising in N N.Mex. near the Truchas peaks and flowing SE across E N.Mex. and W Tex. to the Rio Grande; drains c.38,300 sq mi (99,200 sq km). In New Mexico, dams a...

San Juan Boundary Dispute

(Encyclopedia)San Juan Boundary Dispute, controversy between the United States and Great Britain over the U.S.–British Columbia boundary. It is sometimes called the Northwest Boundary Dispute. The difficulty aros...

Rio Grande, river, United States and Mexico

(Encyclopedia)Rio Grande rēˈō grănd, rēˈō gränˈdē [key], river, c.1,885 mi (3,000 km) long, rising in SW Colo. in the San Juan Mts. and flowing south through the middle of N.Mex., past Albuquerque, then c...