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Triassic period

(Encyclopedia)Triassic period trīăsˈĭk [key], first period of the Mesozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table) from 205 to 250 million years ago. Throughout the Triassi...

Oregon, state, United States

(Encyclopedia)CE5 Oregon ŏrˈĭgən, –gŏn [key], state in the Pacific Northwest of the United States. It is bordered by Washington, largely across the Columbia River (N), Idaho, partially across the Snake Ri...

Kirin

(Encyclopedia)Kirin, province and city, China; use Jilin.

Junín, city, Argentina

(Encyclopedia)Junín ho͞onēnˈ [key], city (1991 pop. 70,138), Buenos Aires prov., E Argentina, on the Salado River. It is a busy commercial center for an agricultural and livestock area. There are important rail...

Brady, Samuel

(Encyclopedia)Brady, Samuel, 1758–95, American frontiersman. He fought in several battles of the American Revolution but earned his name as a scout in the Ohio country under Daniel Brodhead and Anthony Wayne. His...

Long Valley

(Encyclopedia)Long Valley, caldera, c.10 by 20 mi (15 by 30 km), Mono co., E Calif., at the eastern edge of the Sierra Nevada. Formed by a catastrophic eruption c.730,000 years ago, Long Valley and nearby areas hav...

Mwanamutapa

(Encyclopedia)Mwanamutapa mwäˌnämo͞otäˈpä [key], former state, SE Africa. The Mwanamutapa empire, headed by a ruler of the same name, was founded c.1420 among the Karanga people (a subgroup of the Bantu-spea...

Rub al Khali

(Encyclopedia)Rub al Khali ro͞ob äl khäˈlē [key] [Arab.,=empty quarter], great desert of the Arabian peninsula, c.225,000 sq mi (582,750 sq km); one of the largest sand deserts in the world. The desert occupie...

gentian

(Encyclopedia)gentian jĕnˈshən [key], common name for some members of the Gentianaceae, a family of widely distributed herbs, chiefly perennial and fall blooming. There are many types of gentians (genus Gentiana...

Philipse Manor

(Encyclopedia)Philipse Manor, colonial estate of Frederick Philipse, confirmed by a royal charter (1693), extending from the present North Tarrytown, N.Y., to the present Bronx, with the Hudson River on the west an...