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Lancaster, cities, United States

(Encyclopedia)Lancaster. 1 Uninc. city (1990 pop. 97,291), Los Angeles co., S Calif., in Antelope Valley and in the Mojave Desert; laid out 1894. It developed as a trade center for an irrigated farming area and has...

New York, city, United States

(Encyclopedia)New York, city (2020 pop. 8,336,817), land area 304.8 sq mi (789.4 sq km), SE N.Y., largest city in the United States and one of the largest in the worl...

Boston, city, United States

(Encyclopedia)Boston, city (2020 pop. 692,600), state capital and seat of Suffolk co., E Mass., on Boston Bay, an arm of Massachusetts Bay; inc. 1822. The city includ...

Health, Education, and Welfare, United States Department of

(Encyclopedia)Health, Education, and Welfare, United States Department of: see Education, United States Department of; Health and Human Services, United States Department of. ...

Missouri, river, United States

(Encyclopedia)Missouri, river, c.2,565 mi (4,130 km) long (including its Jefferson-Beaverhead-Red Rock headstream), the longest river of the United States and the principal tributary of the Mississippi River. The l...

Mount Vernon, cities, United States

(Encyclopedia)Mount Vernon. 1 City (1990 pop. 16,988), seat of Jefferson co., SE Ill.; settled 1819, inc. 1872. It is a trade, rail, and industrial center in a farm and coal region. Tools, tires, transformers, coal...

Hyde Park, town, United States

(Encyclopedia)Hyde Park, town (2020 pop. 21,021), Dutchess co., SE N.Y., on the Hudson River; settled c.1740. It is famous as the site of the Roosevelt estate, where ...

Sierra Nevada, mountain range, United States

(Encyclopedia)Sierra Nevada sēĕrˈə nəväˈdə [key], mountain range, c.400 mi (640 km) long and from c.40 to 80 mi (60–130 km) wide, mostly in E Calif. It rises to 14,495 ft (4,418 m) in Mt. Whitney, the hig...

Gregory, Wilton Daniel

(Encyclopedia)Gregory, Wilton Daniel, 1947–, American Roman Catholic cardinal, b. Chicago. Ordained in 1973, he was educated at Niles College (now St. Joseph's College Seminary) of Loyola Univ., Chicago, St. Mary...

fluorite

(Encyclopedia)fluorite flo͞oˈərspär [key], mineral appearing in various colors, e.g., green, yellow-brown, rose, and red. Chemically, it is calcium fluoride, CaF2. Its crystals, commonly cubic, are transparent ...