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Oruro
(Encyclopedia)Oruro ōro͞oˈrō [key], city (1992 pop. 183,422), capital of Oruro dept., W Bolivia. It is Bolivia's railroad center. Oruro's economy is based on exploitation of the region's tin, tungsten, and copp...Monreale
(Encyclopedia)Monreale mōnrāäˈlā [key], town (1991 pop. 26,256), NW Sicily, Italy, near Palermo. An agricultural market and tourist center, it commands a magnificent view of the fertile Conca d'Oro plain. A fa...Eisleben
(Encyclopedia)Eisleben īsˈlābən [key], city, Saxony-Anhalt, E Germany, at the foot of the Harz Mts. It is ...Bodø
(Encyclopedia)Bodø bōˈdö [key], city, capital of Nordland co., W Norway, at the mouth of the Saltfjord,...Vaygach
(Encyclopedia)Vaygach or Vaigach both: vīgächˈ [key], island, 1,312 sq mi (3,398 sq km), Nenets Autonomous Area, off NE European Russia, in the Arctic Ocean, between the mainland and Novaya Zemlya. A continuatio...ore
(Encyclopedia)ore, metal-bearing mineral mass that can be profitably mined. Nearly all rock deposits contain some metallic minerals, but in many cases the concentration of metal is too low to justify mining the ore...Rogers, Henry Huttleston
(Encyclopedia)Rogers, Henry Huttleston, 1840–1909, American financier, b. Fairhaven, Mass. After he moved (1860) to Pennsylvania, he entered the oil business, experimented in the refining of petroleum, and, in pa...Río Tinto
(Encyclopedia)Río Tinto, Ríotinto mēˈnäs dā [key], town (1990 pop. 5,934), Huelva prov., SW Spain, in the Sierra Morena Mts., in Andalusia. It is the center of the Río Tinto mining region, named for the riv...Texas City
(Encyclopedia)Texas City, city (1990 pop. 40,822), Galveston co., S Tex., on Galveston Bay, opposite the city of Galveston; inc. 1911. It is a railroad terminus and an industrial city and port with huge oil refiner...amalgam
(Encyclopedia)amalgam əmălˈgəm [key], alloy containing mercury. The alloy may be liquid or solid, depending on the proportion of mercury, although all naturally occurring amalgams, i.e., those of gold and silve...Browse by Subject
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