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Illinois Waterway

(Encyclopedia)Illinois Waterway, 336 mi (541 km) long, linking Lake Michigan with the Mississippi River, N Ill.; an important part of the waterway connecting the Great Lakes with the Gulf of Mexico. The Illinois Wa...

Dibrugarh

(Encyclopedia)Dibrugarh dĭbˈro͝ogər [key], city, Assam state, NE India, at the confluence of the Brahmaputra ...

Allegheny Plateau

(Encyclopedia)Allegheny Plateau, dissected plateau, western part of the Appalachian Mts., extending c.500 mi (800 km) SW from N Pa. to SW Va., rising to c.4,860 ft (1,480 m) at Spruce Knob, the highest peak in West...

Rogers, Henry Huttleston

(Encyclopedia)Rogers, Henry Huttleston, 1840–1909, American financier, b. Fairhaven, Mass. After he moved (1860) to Pennsylvania, he entered the oil business, experimented in the refining of petroleum, and, in pa...

propane

(Encyclopedia)propane, CH3CH2CH3, colorless, gaseous alkane. It is readily liquefied by compression and cooling. It melts at −189.9℃ and boils at −42.2℃. Propane occurs in nature in natural gas and (in diss...

Tangshan

(Encyclopedia)Tangshan täng-shän [key], city (1994 est. pop. 1,110,200), NE Hebei prov., China. A coal-mining center in the Kailan basin, Tangshan is a major industrial hub with iron- and steelworks that make it ...

Canadian Pacific Railway

(Encyclopedia)Canadian Pacific Railway, transcontinental transportation system in Canada and extending into the United States, privately owned and operated. The construction of a railroad crossing the continent in ...

Tulsa

(Encyclopedia)Tulsa tŭlˈsə [key], city (2020 pop. 413,066), seat of Tulsa co., NE Okla., on the Arkansas...

Leo IV, Byzantine emperor

(Encyclopedia)Leo IV (Leo the Khazar), d. 780, Byzantine emperor (775–80), son and successor of Constantine V. He owed his nickname to his mother, a Khazar princess. Leo tempered the iconoclastic excesses of his ...

Mutare

(Encyclopedia)Mutare o͝omtäˈlē [key], city (1992 est. pop. 131,400), E Zimbabwe, near the Mozambique border. Mutare is the commercial center for a rich agricultural and gold-mining region. Its industries includ...