(Encyclopedia) PerimPerimpārēmˈ, pērˈĭm [key], Arab. Barim, island, c.5 sq mi (13 sq km), off the SW Arabian peninsula in the Bab el Mandeb strait; it is part of Yemen. A rocky and barren island…
(Encyclopedia) Billings, city (2020 pop. 117,116), seat of Yellowstone co., S Mont., on the Yellowstone River, in a valley surrounded by seven mountain…
(Encyclopedia) Black Canyon of the Gunnison National Park, 30,300 acres (12,272 hectares), W central Colorado, in the Rocky Mts. The park embraces the most spectacular stretch of the 53-mi (85-km)…
(Encyclopedia) Campbell, Robert, 1804–79, American fur trader and merchant, one of the mountain men, b. Ireland. He came to the United States c.1824. Having been advised to lead an outdoor life…
(Encyclopedia) periwinkle, any of a group of marine gastropod mollusks having conical, spiral shells. Periwinkles feed on algae and seaweed. They are found at the water's edge; out of water, they…
THE ANDESWORLD MOUNTAIN RANGESHIMALAYAN COLLISIONFOLD FORMATIONBLOCK MOUNTAINSFIND OUT MORENew mountains are built when rocks are pushed upwards by the movement of the giant rocky plates that…
West Nile EncephalitisMosquito and Tick-Borne DiseasesIntroductionYellow FeverDengueWest Nile EncephalitisRocky Mountain Spotted FeverLyme Disease Disease Diction Encephalitis is swelling of the…
(Encyclopedia) alpine plants, high-altitude representatives of various flowering plants (chiefly perennials) that because of their dwarf habit, profuse blooming, and the preference of many for shady…
(Encyclopedia) East River, tidal strait, 16 mi (26 km) long and 600–4,000 ft (183–1,219 m) wide, connecting Upper New York Bay and Long Island Sound, New York City, and separating the boroughs of…
(Encyclopedia) Iguaçu Falls or Iguassú FallsIguaçu Fallsboth: ēgwəs&oomacr;ˈ [key], in the Iguaçu River, on the Argentina-Brazil border near the Paraguay line. Iguaçu Falls has two main sections…
