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bristlecone pine

(Encyclopedia)bristlecone pine, common name for the pine species Pinus longaeva, found in the White Mountains of California. Specimens have been known to live some 5,000 years. ...

Long, Stephen Harriman

(Encyclopedia)Long, Stephen Harriman, 1784–1864, American explorer, b. Hopkinton, N.H. As an army engineer, Long was sent on several exploring and surveying expeditions. The first in 1817 was to the region of the...

Zagros

(Encyclopedia)Zagros zăgˈrŏs [key], mountain system of W Iran, extending c.1,100 mi (1,770 km) from the Turkish-Armenian frontier SE to the Strait of Hormuz, forming the western and southern border of the centra...

Continental Divide

(Encyclopedia)Continental Divide, the “backbone” of a continent. In North America, from N Alaska to New Mexico, it moves along the crest of the Rocky Mts., which separates streams with outlets to the west of th...

Gaspé Peninsula

(Encyclopedia)Gaspé Peninsula or Gaspésie gäspāzēˈ [key], tongue of land, E Que., Canada, between the estuary of the St. Lawrence River on the north and Chaleur Bay on the south, and extending eastward into t...

Potomac

(Encyclopedia)Potomac pətōˈmək [key], river, 285 mi (459 km) long, formed SE of Cumberland, Md., by the confluence of its North and South branches and flowing generally SE to Chesapeake Bay. It forms part of th...

Birmingham, cities, United States

(Encyclopedia)Birmingham bûrˈmĭnghămˌ [key] 1 City (2020 pop. 200,733), seat of Jefferson co., N centr...

North America

(Encyclopedia)CE5 North America, third largest continent (2015 est. pop. 571,949,000), c.9,400,000 sq mi (24,346,000 sq km), the northern of the two continents of the Western Hemisphere. North America includes a...

butterwort

(Encyclopedia)butterwort, common name for several species of the plant genus Pinguicula of the north temperate zone and the mountains of tropical America. It is a member of the family Lentibulariaceae (bladderwort ...

Sevier

(Encyclopedia)Sevier, river, c.280 mi (450 km) long, formed in SW Utah by the junction of Panguitch Creek and Assay Creek. It flows northward through canyons, then leaves the mountains and flows SW through the Sevi...