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Yukon, river, Canada and the United States

(Encyclopedia)Yukon yo͞oˈkŏn [key], river, c.2,000 mi (3,220 km) long, rising in Atlin Lake, NW British Columbia, Canada, and receiving numerous headwater streams; one of the longest rivers of North America. It ...

Negro, Río, river, Argentina

(Encyclopedia)Negro, Río rēˈō nāˈgrō [key], river, c.400 mi (640 km) long, formed in central Argentina by the confluence of the Neuquén and the Limay rivers, and flowing E across Río Negro prov. (N Patagon...

Pike, Zebulon Montgomery

(Encyclopedia)Pike, Zebulon Montgomery, 1779–1813, American explorer, an army officer, b. Lamberton (now part of Trenton), N.J. He joined the army (c.1793) and was commissioned second lieutenant in 1799. In 1805 ...

Shelby, Joseph Orville

(Encyclopedia)Shelby, Joseph Orville, 1830–97, Confederate cavalry commander in the American Civil War, b. Lexington, Ky. He made a considerable fortune in rope manufacturing in Kentucky and Missouri. While in Mi...

Matamoros

(Encyclopedia)Matamoros, city (1990 pop. 266,055), Tamaulipas state, NE Mexico, near the mouth of the Rio Grande, opposite Brownsville, Tex. Matamoros, linked by rail and highway with the United States, is an inter...

Espejo, Antonio de

(Encyclopedia)Espejo, Antonio de äntōˈnyō ᵺā āspāˈhō [key], fl. 1582–83, Spanish explorer. In 1582 he was sent out from San Bartolomé, Mexico, to rescue missionaries said to be menaced by the Pueblo p...

Grand River, rivers, United States

(Encyclopedia)Grand River. 1 River, 260 mi (418 km) long, rising in S Mich. and flowing N to Lansing, then NW to Lake Michigan at Grand Haven. It is the longest river in the state and is navigable to the city of Gr...

Des Moines, river, United States

(Encyclopedia)Des Moines, river, 535 mi (861 km) long, rising in SW Minn. and flowing SE across Iowa to the Mississippi River at Keokuk, SE Iowa. Flowing through fertile farmland, the river floods in the spring and...

Des Plaines, river, United States

(Encyclopedia)Des Plaines, river, 110 mi (177 km) long, rising in SE Wis., and flowing S and SW through NE Ill., joining the Kankakee River S of Joliet, Ill., to form the Illinois River. The lower Des Plaines is pa...

Saint Francis, river, United States

(Encyclopedia)Saint Francis, river, c.470 mi (760 km) long, rising in the hills of SE Missouri and flowing S through NE Arkansas to join the Mississippi River near Helena, Ark. The river forms part of the Arkansas�...