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Ewing, William Maurice
(Encyclopedia) Ewing, William Maurice, 1906–74, American oceanographer and geologist, b. Lackney, Tex., grad. Rice Institute, now Rice Univ. (B.S., 1926; M.A., 1927; Ph.D., 1931). He taught physics…actinium
(Encyclopedia) actiniumactiniumăktĭnˈēəm [key] [Gr.,=like a ray], radioactive chemical element; symbol Ac; at. no. 89; mass number of most stable isotope 227; m.p. about 1,050℃; b.p. 3,200℃±300℃; sp…Askja
(Encyclopedia) AskjaAskjaäsˈkyä [key], volcano, c.4,950 ft (1,510 m) high, E central Iceland; one of the highest in Europe. Its great eruption of 1875 devastated a large area; Askja last erupted in…Cambrian Mountains
(Encyclopedia) Cambrian MountainsCambrian Mountainskămˈbrēən [key], rugged upland plateau occupying most of Wales; Aran Fawddwy (2,970 ft/905 m) is the highest point in the mountains. The area has…Příbram
(Encyclopedia) PříbramPříbrampərzhĭbˈräm [key], town (1991 pop. 36,898), SW Czech Republic, in Bohemia. It is one of the oldest gold- and silver-mining centers of Bohemia, with mine shafts more than…Movies and Film: Germany's Greatest -Ism
Germany's Greatest -IsmMovies and FilmGermany's Film HistoryGermany's Greatest -IsmHitler's Hired HelpA Few Young MenRoads Not Taken: Film in East GermanyUnification and Beyond In 1919, world…Cromarty Firth
(Encyclopedia) Cromarty FirthCromarty Firthkrŏmˈərtē [key], deep narrow inlet of Moray Firth, c.15 mi (25 km) long, Highland, N Scotland. It provides excellent anchorage, its narrow entrance being…Dogger Bank
(Encyclopedia) Dogger BankDogger Bankdôˈgər, dŏˈ– [key], extensive sandbank, c.6,800 sq mi (17,610 sq km), central North Sea, between Great Britain and Denmark. Covered by shallow water (c.55–120 ft/…Kentucky, river, United States
(Encyclopedia) Kentucky, river, 259 mi (417 km) long, formed by the junction of the North Fork and the Middle Fork rivers, central Ky., and flowing NW to the Ohio River at Carrollton. Frankfort, Ky…terrace
(Encyclopedia) terrace, a level field built on top of a hillslope into the floor of a deep valley to improve cultivation of crops. Terracing uses the runoff from the hill to increase soil…