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Wasatch Range

(Encyclopedia)Wasatch Range wôˈsăch [key], part of the Rocky Mts., extending c.250 mi (400 km) south from SE Idaho to central Utah. Mt. Timpanogos, the highest peak (12,008 ft/3,660 m), is the site of Timpanogos...

Pacaya

(Encyclopedia)Pacaya, volcanic massif, 8,373 ft (2,552 m) high, S central Guatemala, 19 mi (30 km) S of Guatemala City, on the southern edge of the ancient caldera that contains Lake Amatitlán. One of the world's ...

nutation

(Encyclopedia)nutation, in astronomy, a slight wobbling motion of the earth's axis. The causes of nutation are similar to those of the precession of the equinoxes, involving the varying attraction of the moon on th...

Petrified Forest National Park

(Encyclopedia)Petrified Forest National Park, 93,533 acres (37,881 hectares), E Ariz.; est. as a national monument 1906, designated a national park 1962. A part of the Painted Desert, it contains the largest known ...

San Juan Islands

(Encyclopedia)San Juan Islands săn wän [key], archipelago of 172 islands constituting San Juan co., NW Wash., E of Vancouver Island. The islands were visited and named c.1790 by Spanish explorers. The islands wer...

Fort Pulaski

(Encyclopedia)Fort Pulaski pəlăsˈkē [key], brick fortification on Cockspur Island, SE Ga., at the mouth of the Savannah River; built 1829–47 by the U.S. government and named for Casimir Pulaski. The fort was ...

tide

(Encyclopedia)tide, alternate and regular rise and fall of sea level in oceans and other large bodies of water. These changes are caused by the gravitational attraction of the moon and, to a lesser extent, of the s...

Declaration of the Rights of Man and Citizen

(Encyclopedia)Declaration of the Rights of Man and Citizen, a fundamental document of French constitutional history, drafted by Emmanuel Sieyès, adopted by the Constituent Assembly on Aug. 26, 1789, and embodied i...

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