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Black Hills
(Encyclopedia)Black Hills, rugged mountains, c.6,000 sq mi (15,540 sq km), enclosed by the Belle Fourche and Cheyenne rivers, SW S.Dak. and NE Wyo., and rising c.2,500 ft (760 m) above the surrounding Great Plains;...sandstone
(Encyclopedia)sandstone, sedimentary rock formed by the cementing together of grains of sand. The usual cementing material in sandstone is calcium carbonate, iron oxides, or silica, and the hardness of sandstone va...Tsien, Roger Yonchien
(Encyclopedia)Tsien, Roger Yonchien, 1952–2016, American biochemist, b. New York City, Ph.D. Cambridge, 1977. Tsien was a researcher at Cambridge (1977–81) and a professor at the Univ. of California, Berkeley (...Pátzcuaro
(Encyclopedia)Pátzcuaro pätˈskwärō [key], lake, c.100 sq mi (260 sq km) Michoacán state, W Mexico. Its indented shores, dotted with Tarascan villages, green islands, and the curious native sailboats help make...Verde, Cape
(Encyclopedia)Verde, Cape vûrd [key] [Port.,=green], Fr. Cap Vert, peninsula, extending into the Atlantic Ocean, W Senegal; the westernmost point of Africa. Dakar is located there. The cape was discovered by the P...Campbell, John
(Encyclopedia)Campbell, John, 1653–1728, American editor, b. Scotland. After emigrating to Boston, he was postmaster of the city from 1702 to 1718 and wrote newsletters for regular patrons. In 1704 he started pri...Nanling
(Encyclopedia)Nanling nänˈlīngˈ [key], mountain range of Guangdong and Hunan prov. and Guangxi Zhuang Autonomous Region, S China; rises to c.6,900 ft (2,100 m). The Nanling form the geographical boundary betwee...Kluane National Park
(Encyclopedia)Kluane National Park klo͞oānˈ [key], c.8,500 sq mi (22,000 sq km), SW Yukon, Canada, between Kluane Lake and the British Columbia and Alaska borders; est. 1972. Located in the St. Elias Mts., the p...Judah, Theodore Dehone
(Encyclopedia)Judah, Theodore Dehone, 1826–63, American railroad builder, b. Bridgeport, Conn. He built the Niagara Gorge RR and did canal work before going (1854) to lay out a railroad near Sacramento, Calif. Th...Reventazón
(Encyclopedia)Reventazón rāvāntäsōnˈ [key], river, c.85 mi (140 km) long, rising in the Meseta Central, E Costa Rica, and flowing NE to the Caribbean Sea, N of Limón. The Reventazón is navigable for a short...Browse by Subject
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