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Port of Spain

(Encyclopedia)Port of Spain, city (1990 pop. 50,878), capital of Trinidad and Tobago, on the Gulf of Paria. It is the industrial and commercial center of the country. From 1958 to 1962, Port of Spain was the capita...

Piqua

(Encyclopedia)Piqua pĭkˈwā [key], city (1990 pop. 20,612), Miami co., W Ohio, on the Miami River; settled 1797, chartered 1929. It is an industrial city with diverse manufactures, including airplane and automobi...

Río Tinto

(Encyclopedia)Río Tinto, Ríotinto mēˈnäs dā [key], town (1990 pop. 5,934), Huelva prov., SW Spain, in the Sierra Morena Mts., in Andalusia. It is the center of the Río Tinto mining region, named for the riv...

Pomona, city, United States

(Encyclopedia)Pomona pəmōˈnə [key], city (1990 pop. 131,723), Los Angeles co., S Calif. at the foot of the San Gabriel Mts.; inc. 1888. It is a residential, industrial, and commercial suburb of Los Angeles wher...

vermilion

(Encyclopedia)vermilion, vivid red pigment of durable quality. It is a chemical compound of mercury and sulfur and is known as red sulfide of mercury; it was formerly obtained by grinding pure cinnabar but is now c...

Vilyui

(Encyclopedia)Vilyui vĭlyo͞oˈē [key], river, c.1,520 mi (2,450 km) long, rising in the central Siberian uplands, E Siberian Russia, in the Sakha Republic, and flowing east through an agricultural area into the ...

Hewitt, Abram Stevens

(Encyclopedia)Hewitt, Abram Stevens hyo͞oˈĭt [key], 1822–1903, American industrialist and political leader, b. Haverstraw, N.Y. He became a lawyer, and friendship with a son and marriage to a daughter of Peter...

Guangxi Zhuang Autonomous Region

(Encyclopedia)Guangxi Zhuang Autonomous Region gwängˈshēˈ jwängˈ [key], province, c.85,000 sq mi (220,150 sq km), S China, bo...

mica

(Encyclopedia)mica mīˈkə [key], general term for a large group of minerals, hydrous silicates of aluminum and potassium, often containing magnesium, ferrous iron, ferric iron, sodium, and lithium and more rarely...

Michoacán

(Encyclopedia)Michoacán mēchōäkänˈ [key], state (1990 pop. 3,548,199), 23,202 sq mi (60,093 sq km), S Mexico. Morelia is the capital. Dominated by the mountains of the Sierra Madre Occidental and the volcanic...