Columbia Encyclopedia

(Encyclopedia) marble, metamorphic rock composed wholly or in large part of calcite or dolomite crystals, the crystalline texture being the result of metamorphism of limestone by heat and pressure. The term marble i...

(Encyclopedia) Iowa State University of Science and Technology, at Ames, commonly known as Iowa State University; land-grant with state and federal support; coeducational; chartered 1858, opened 1868 as an agricultu...

(Encyclopedia)  CE5 Paraguay pârˈəgwā, –gwī, Span. pärägwīˈ [key], officially Republic of Paraguay, republic (2015 est. pop. 6,639,000), 157,047 sq mi (406,752 sq km), S central South America. Paraguay ...

(Encyclopedia) Cárdenas, García López de gärthēˈä lōˈpĕth dā kärˈdānäs [key], fl. 1540, Spanish explorer in the Southwest. A member of the 1540 expedition of Francisco Vásquez de Coronado, he was sel...

(Encyclopedia) Kroemer, Herbert, 1928–, German physicist, Ph.D. Univ. of Göttingen, 1952. Kroemer was a researcher at RCA Laboratories in Princeton, N.J. (1954–57), and at Varian Associates in Palo Alto, Calif....

(Encyclopedia) Treasury, United States Department of the, federal executive department established in 1789. It is charged with advising the president on fiscal policy and acting as fiscal agent for the federal gover...

(Encyclopedia) Phoenix, city (1990 pop. 983,403), state capital and seat of Maricopa co., S Ariz., on the Salt River; inc. 1881. It is the largest city in Arizona, the hub of the rich agricultural region of the Salt...

(Encyclopedia) Hudson, river, c.315 mi (510 km) long, rising in Lake Tear of the Clouds, on Mt. Marcy in the Adirondack Mts., NE N.Y., and flowing generally S to Upper New York Bay at New York City; the Mohawk River...

(Encyclopedia) Ithaca ĭthˈəkə [key], city (2020 pop. 32,108), seat of Tompkins co., S central N.Y., at t...

(Encyclopedia) Big Bend Ranch State Park, Texas: see under Big Bend National Park. ...