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Argun

(Encyclopedia)Argun ärˈgo͞onˈ [key], Mandarin Ergun, river, 950 mi (1,529 km) long, rising in the Da Hinggan Mts., Heilongjiang prov., NE China, as the Hailar River and flowing W to the Russian border, then NE ...

Valtellina

(Encyclopedia)Valtellina vältāl-lēˈnä [key], Alpine valley of the upper Adda River, c.75 mi (120 km) long, in Lombardy, N Italy, extending from Lake Como to the Stelvio Pass. The main towns are Sondrio and Tir...

Hastert, Dennis

(Encyclopedia)Hastert, Dennis (John Dennis “Denny” Hastert) hăsˈtərt [key], 1942–, U.S. congressman, Speaker of the U.S. House of Representatives (1999–2007), b. Aurora, Ill. He attended Wheaton College ...

Cuyahoga

(Encyclopedia)Cuyahoga kīˌəhōˈgə [key], river, c.80 mi (130 km) long, flowing SW through Cuyahoga Falls, then N to Lake Erie, NE Ohio, forming part of Cleveland harbor. By the late 1960s, the Cuyahoga was one...

Chichimec

(Encyclopedia)Chichimec chēchēmĕkˈ [key], general term for the peoples of the Valley of Mexico between the periods of Toltec ascendancy and Aztec ascendancy. Before the 11th cent. the Chichimec were nomadic peo...

Alvord, Clarence Walworth

(Encyclopedia)Alvord, Clarence Walworth ălˈvərd [key], 1868–1928, American historian, b. Greenfield, Mass. He became (1901) an instructor in history at the Univ. of Illinois (Ph.D., 1908) and was full professo...

Nen, river, China

(Encyclopedia)Nen nônˈnē [key], river, 740 mi (1,191 km) long, rising in the Yilehuli (Ilkuri) Mts., N Heilongjiang prov., NE China, and flowing south along the east side of the Da Hinggan (Great Khingan) range ...

Lehigh

(Encyclopedia)Lehigh lēˈhī [key], river, 103 mi (166 km) long, rising in NE Pa. and flowing generally SE to the Delaware River at Easton. It flows through the Lehigh Valley, where rich anthracite deposits made A...

Zeravshan

(Encyclopedia)Zeravshan zyĕrəfshänˈ [key], river, c.460 mi (740 km) long, rising in the Turkistan Range of the Pamir-Alai mountain system, in Tajikistan. It flows westward through the agricultural Zeravshan val...

Yosemite National Park

(Encyclopedia)Yosemite National Park yōsĕmˈĭtē [key], 748,436 acres (302,881 hectares), E central Calif.; est. 1890 as a result of the efforts of conservationist John Muir. Located in the Sierra Nevada, it is ...