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Ankylosaurus
(Encyclopedia)Ankylosaurus ănˌkələsôrˈəs [key], [Gr.,=crooked lizard], genus of heavily armored, herbivorous quadripedal dinosaurs, the best known of which is the species A. magniventris, the largest and hea...Folsom culture
(Encyclopedia)Folsom culture fŏlˈsəm, fŭlˈ– [key], a group of Paleo-Indians (see Americas, antiquity and prehistory of the) known through artifacts first excavated (1926) near Folsom, E of Raton, N.Mex. The ...Mullan, John
(Encyclopedia)Mullan, John, 1830–1909, American army officer and pioneer road builder, b. Norfolk, Va., grad. St John's Colllege, 1847, West Point, 1852. He was one of the chief aides of General I. I. Stevens in ...Spokan
(Encyclopedia)Spokan or Spokane both: spōkănˈ [key], Native North Americans whose language belongs to the Salishan branch of the Algonquian-Wakashan linguistic stock (see Native American languages). In the early...Pachycephalosaurus
(Encyclopedia)Pachycephalosaurus păkˌĭsĕfˌəlōsôrˈəs [key] [Gr., = thick-headed lizard], bipedal herbivorous dinosaur of the late Cretaceous period, approximately 68–65 million years ago. Its disting...corundum
(Encyclopedia)corundum kərŭnˈdəm [key], mineral, aluminum oxide, Al2O3. The clear varieties are used as gems and the opaque as abrasive materials. Corundum occurs in crystals of the hexagonal system and in mass...Carrington, Henry Beebee
(Encyclopedia)Carrington, Henry Beebee, 1824–1912, U.S. army officer and historian, b. Wallingford, Conn., grad. Yale, 1845, and afterward studied at Yale Law School. Carrington ably reorganized the Ohio state mi...state flowers
(Encyclopedia)state flowers. Each state of the United States has designated, usually by legislative action, one flower as its floral emblem; the rose has been designated by Congress as the national flower of the Un...Rocky Mountains
(Encyclopedia)Rocky Mountains, major mountain system of W North America and easternmost belt of the North American cordillera, extending more than 3,000 mi (4,800 km) from central N.Mex. to NW Alaska; Mt. Elbert (1...Prairie Pothole Region
(Encyclopedia)Prairie Pothole Region, large geographic area of central North America consisting of grass-covered wetlands. Stretching northwest from N Iowa through SW Minnesota, E South Dakota, E and N North Dakota...Browse by Subject
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