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Wilkes-Barre
(Encyclopedia) Wilkes-BarreWilkes-Barrewĭlks-bârˈē [key], city (1990 pop. 47,523), seat of Luzerne co., E Pa., on the east bank of the Susquehanna River; settled 1769, inc. as a city 1871. Once a…Stegosaurus
(Encyclopedia) StegosaurusStegosaurusstĕgəsôrˈəs [key] [Gr.,=roof lizard], quadriped ornithischian dinosaur of the late Jurassic period. About 29 ft 6 in (9 m) long, it had short forelegs, four long…Yellowstone
(Encyclopedia) Yellowstone, river, 671 mi (1,080 km) long, rising in NW Wyo., and flowing NE through Mont. to enter the Missouri River near the N.Dak. line; it drains c.70,400 sq mi (182,340 sq km).…Leidy, Joseph
(Encyclopedia) Leidy, JosephLeidy, Josephlīˈdē [key], 1823–91, American scientist, b. Philadelphia, grad. Univ. of Pennsylvania medical school. From 1853 he taught anatomy at his alma mater. He was…Diplodocus
(Encyclopedia) DiplodocusDiplodocusdĭplŏdˈəkəs [key] [Gr., = double beam (or rafter)], immense quadruped herbivorous dinosaur found in the late Jurassic strata of the Colorado, Utah, and Wyoming. It…sodium carbonate
(Encyclopedia) sodium carbonate, chemical compound, Na2CO3, soluble in water and very slightly soluble in alcohol. Pure sodium carbonate is a white, odorless powder that absorbs moisture from the air…Sacajawea
(Encyclopedia) SacajaweaSacajaweasăkˌəjəwēˈə, səkäˌ– [key], SacagaweaSacajawea–gəwēˈə [key], or SakakaweaSacajawea–kəwēˈə [key], c.1788–1812?, Native North American woman who accompanied the Lewis…Wyoming: American Indian and Alaska Native persons, percent, 2000
Source informationartesian well
(Encyclopedia) artesian well, deep drilled well through which water is forced upward under pressure. The water in an artesian well flows from an aquifer, which is a layer of very porous rock or…Pickering, Timothy
(Encyclopedia) Pickering, Timothy, 1745–1829, American political leader and Revolutionary War army officer, b. Salem, Mass. He was admitted to the bar (1768) and played an active part in pre-…