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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...Nordenskjöld, Nils Adolf Erik, Baron
(Encyclopedia)Nordenskjöld, Nils Adolf Erik, Baron nĭls äˈdôlf āˈrĭk no͞orˈdənshöld [key], 1832–1901, Swedish geologist and arctic explorer, first to navigate the Northeast Passage, b. Finland. He ser...Germain, George Sackville, 1st Viscount Sackville
(Encyclopedia)Germain, George Sackville, 1st Viscount Sackville jûrˈmən, –mān [key], 1716–85, British soldier and statesman. He was known as Lord George Sackville until 1770, when under the terms of a will ...Gilman, Daniel Coit
(Encyclopedia)Gilman, Daniel Coit, 1831–1908, American educator, first president of Johns Hopkins Univ., b. Norwich, Conn., grad. Yale, 1852. After serving as attaché (1853–55) of the American legation at St. ...zone
(Encyclopedia)zone [Gr.,=girdle], in geography, area with a certain physical and/or cultural unity that distinguishes it from other areas. The division of the earth into five climatic zones probably originated (5th...Paleocene epoch
(Encyclopedia)Paleocene epoch pāˈlēəsēnˌ [key], first epoch of the Tertiary period in the Cenozoic era of geologic time (see geologic timescale) between 60 to 66 million years ago. In W North America, the upl...milling
(Encyclopedia)milling, mechanical grinding of wheat or other grains to produce flour. Milling separates the fine, mealy parts of grain from the fibrous bran covering. In prehistoric times grain was crushed between ...Yellowstone National Park
(Encyclopedia)Yellowstone National Park, 2,219,791 acres (899,015 hectares), the world's first national park (est. 1872), NW Wyo., extending into Montana and Idaho. It lies mainly on a broad plateau in the Rocky Mt...Mantegna, Andrea
(Encyclopedia)Mantegna, Andrea ändrĕˈä mäntĕˈnyä [key], 1431–1506, Italian painter of the Paduan school. He was adopted by Squarcione, whose apprentice he remained until 1456, when he procured his release...Henry the Navigator
(Encyclopedia)Henry the Navigator, 1394–1460, prince of Portugal, patron of exploration. Because he fought with extraordinary valor in the Portuguese conquest of Ceuta (1415), he was created duke of Viseu by his ...Browse by Subject
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