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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...

San Juan, river, Nicaragua

(Encyclopedia) San Juan sän hwän [key], river, c.110 mi (180 km) long, flowing from the southeast corner of Lake Nicaragua E to the Caribbean Sea, near the port of San Juan del Norte. The lower course of the deep ...

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 ...

Aspen, city, United States

(Encyclopedia) Aspen ăsˈpən [key], city, alt. 7,850 ft (2,390 m), seat of Pitkin co., S central Colo., on the Roaring Fork River; founded c.1879 by silver prospectors, inc. 1881. Decl...

Energy, United States Department of

(Encyclopedia) Energy, United States Department of, executive department of the federal government responsible for coordinating national activities relating to the production, regulation, marketing, and conservation...
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