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Niagara Falls, city, Canada

(Encyclopedia)Niagara Falls, city (1991 pop. 75,399), S Ont., Canada, on the Niagara River opposite Niagara Falls, N.Y. Formerly called Clifton, it is a port of entry, an important industrial city, and the home of ...

Río Grande del Norte National Monument

(Encyclopedia)Río Grande del Norte National Monument, 242,500 acres (98,140 hectares), N central N.Mex, on the Taos Plateau between the San Juan and Sangre de Cristo mts.; est. 2013. The monument consists of an 80...

Gavarnie

(Encyclopedia)Gavarnie gävärnēˈ [key], village (1993 est. pop. 177), Hautes-Pyrénées dept., SW France, in the central Pyrenees. Nearby are a celebrated waterfall, 1,385 ft (422 m) high, and a gigantic natural...

Maillart, Robert

(Encyclopedia)Maillart, Robert mīyärˈ [key], 1872–1940, Swiss engineer, renowned for his inventive and beautiful reinforced-concrete bridges. Maillart's basic structural principles—integration of the support...

Arches National Park

(Encyclopedia)Arches National Park, 76,519 acres (30,979 hectares), E Utah; est. as a national monument 1929, designated a national park 1971. Located in red-rock country and overlooking the gorge of the Colorado R...

landslide

(Encyclopedia)landslide, rapid slipping of a mass of earth or rock from a higher elevation to a lower level under the influence of gravity and water lubrication. More specifically, rockslides are the rapid downhill...

Daryal

(Encyclopedia)Daryal dărēĕlˈ [key], pass, c.3,950 ft (1,204 m) high, N Georgia, in the central Greater Caucasus Mts. below Mt. Kazbek. Situated above the Terek River, it is noted for its wild grandeur. The Geor...

Paraíba, river, Brazil

(Encyclopedia)Paraíba or Paraíba do Sul do͝o so͞ol [key], river, c.650 mi (1,050 km) long, rising as the Paraitinga in the Serra do Mar, São Paulo state, SE Brazil. It flows southwesterly to a point NE of São...

Cañon City

(Encyclopedia)Cañon City kănˈyən [key], city (2020 pop. 16,693), seat of Fremon...

Delaware Water Gap

(Encyclopedia)Delaware Water Gap dĕlˈəwâr, –wər [key], scenic gorge, 2 mi (3.2 km) long, cut by the Delaware River through Kittatinny Mt., on the N.J.–Pa. line; located in a mountain resort area around Str...