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Thingvellir
(Encyclopedia)Thingvellir thēngˈgvĕtˌlĭr [key], Icelandic Þingvellir, a wide lava plain, since 1928 a national park, the ancient place of assembly of the Icelandic Althing, which met there from 930 to 1798. I...Sierra Club
(Encyclopedia)Sierra Club, national organization in the United States dedicated to the preservation and expansion of the world's parks, wildlife, and wilderness areas. Founded (1892) in California by a group led by...Crater Lake National Park
(Encyclopedia)Crater Lake National Park, 183,224 acres (74,206 hectares), SW Oreg., in the Cascade Range; est. 1902. Crater Lake, 20 sq mi (52 sq km), lies in a huge pit that was created when the top of a prehistor...Mammoth Cave National Park
(Encyclopedia)Mammoth Cave National Park, 52,830 acres (21,396 hectares), central Kentucky, authorized 1926, est. 1941. Located in a hilly, forested region, it offers numerous outdoor activities. It is the site of ...Gadsden Purchase
(Encyclopedia)Gadsden Purchase gădzˈdən [key], strip of land purchased (1853) by the United States from Mexico. The Treaty of Guadalupe Hidalgo (1848) had described the U.S.-Mexico boundary vaguely, and Presiden...Cockburn Town
(Encyclopedia)Cockburn Town, town (2021 pop. 4,831), capital of the British dependency of the Turks and Caicos Islands, located on Grand Turk ...Coatesville
(Encyclopedia)Coatesville kōtsˈvĭl [key], city (2020 pop. 12,987), Chester co., SE Pa., on Brandywine Creek, ...National Archives
(Encyclopedia)National Archives, official depository for records of the U.S. federal government, established in 1934 by an act of Congress. Although displeasure concerning the method of keeping national records was...Pocatello
(Encyclopedia)Pocatello pōkətĕlˈō [key], city (1990 pop. 46,080), seat of Bannock co., SE Idaho, between mountains on the Portneuf River near its junction with the Snake (there dammed to form the American Fall...Gila
(Encyclopedia)Gila hēˈlə [key], river, 630 mi (1,014 km) long, rising in the mountains of W N.Mex. and flowing W across Ariz. to the Colorado River at Yuma, Ariz.; the San Francisco River is its main tributary. ...Browse by Subject
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