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black fly

(Encyclopedia)black fly, name for any of the flies of the family Simuliidae. The black fly is about 1⁄8 in. (3.2 mm) long and has large eyes, short legs, a stout, humped back, broad gauzy wings, and piercing-suck...

Valles Caldera National Preserve

(Encyclopedia)Valles Caldera National Preserve väˈyās [key], 89,766 acres (36,343 hectares), N N.Mex.; est. 2000 by Valles Caldera Trust, transferred to National Park Service 2015. Formerly part of the vast, pri...

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...

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...

Guadarrama, Sierra de

(Encyclopedia)Guadarrama, Sierra de syārˈrä ᵺā gwäᵺäräˈmä [key], mountain range rising from the plateau of central Spain, N of Madrid, and extending c.120 mi (190 km) between the Tagus and Douro rivers...

Pontics

(Encyclopedia)Pontics, mountain system, N Turkey, extending c.700 mi (1,100 km) along the southern coast of the Black Sea. The Pontics generally increase in height from west to east, culminating in Kaçkar Daği (1...

Fichtelgebirge

(Encyclopedia)Fichtelgebirge fĭkhˈtəlgəbĭrˌgə [key], mountain knot, in SE Germany, between Bayreuth and the Czech border; rises to 3,447 ft (1,051 m) in Schneeberg peak. The rugged mountains are composed mai...

Bierstadt, Albert

(Encyclopedia)Bierstadt, Albert bērˈstät [key], 1830–1902, American painter of Western scenery, b. Germany. After traveling and sketching throughout the mountains of Europe, he returned to the United States. H...

Muir, John

(Encyclopedia)Muir, John, 1838–1914, American naturalist, b. Dunbar, Scotland, studied at the Univ. of Wisconsin. He came to the United States in 1849 and settled in California in 1868. In recognition of his effo...

Burnet, Thomas

(Encyclopedia)Burnet, Thomas, c.1635–1715, English cleric and scientist, b. Croft, in Yorkshire, England. He was educated at Northallerton and Cambridge. Following travels in Europe, Burnet published in 1681 the ...