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monazite
(Encyclopedia)monazite mŏnˈəzīt [key], yellow to reddish-brown natural phosphate of the rare earths, mainly the cerium and lanthanum metals, usually with some thorium. Yttrium, calcium, iron, and silica are fre...South Platte
(Encyclopedia)South Platte plăt [key], river, c.450 mi (720 km) long, rising in the Rocky Mts. in many branches, which then join in central Colorado. It flows in a narrow canyon E and NE to Denver, then NE across ...topaz
(Encyclopedia)topaz tōˈpăz [key], aluminum silicate mineral with either hydroxyl radicals or fluorine, Al2SiO4(F,OH)2, used as a gem. It is commonly colorless or some shade of pale yellow to wine-yellow; pale bl...tarantula
(Encyclopedia)tarantula tərănˈchələ [key], name applied chiefly to species of the large, hairy spiders of the family Theraphosidae of North and South America, Africa, S and SE Asia, and Australia. The body of ...plateau
(Encyclopedia)plateau, elevated, level or nearly level portion of the earth's surface, larger in summit area than a mountain and bounded on at least one side by steep slopes, occurring on land or in oceans. Some pl...Batlle Ibáñez, Jorge Luis
(Encyclopedia)Batlle Ibáñez, Jorge Luis, 1927–2016, Uruguayan political leader, lawyer, and journalist, president of Uruguay (2000–2005). He was a member of the Colorado party, founded by his great uncle, Jos...Colorado tick fever
(Encyclopedia)Colorado tick fever or mountain tick fever, acute disease caused by infection with a double-stranded RNA virus (a Coltvirus) that is transmitted to humans by Rocky Mountain wood ticks (Dermacentor and...Arizona
(Encyclopedia) CE5 Arizona ârˌəzōˈnə [key], state in the SW United States. It is bordered by Utah (N), New Mexico (E), Mexico (S), and, largely across the Colorado River, Nevada and California (W); it touch...Ute
(Encyclopedia)Ute yo͞ot, yo͞oˈtē [key], Native North Americans whose language belongs to the Shoshonean group of the Uto-Aztecan branch of the Aztec-Tanoan linguistic stock (see Native American languages). In t...Missouri River basin project
(Encyclopedia)Missouri River basin project, comprehensive plan authorized in 1944 for the coordinated development of water resources of the Missouri River and its tributaries, draining an area of c.513,300 sq mi (1...Browse by Subject
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