Columbia Encyclopedia

(Encyclopedia) limestone, sedimentary rock wholly or in large part composed of calcium carbonate. It is ordinarily white but may be colored by impurities, iron oxide making it brown, yellow, or red and carbon making...

(Encyclopedia) obelisk ŏbˈəlĭsk [key], slender four-sided tapering monument, usually hewn of a single great piece of stone, terminating in a pointed or pyramidal top. Among the ancient Egyptians these monoliths ...

(Encyclopedia) National Road, U.S. highway built in the early 19th cent. At the time of its construction, the National Road was the most ambitious road-building project ever undertaken in the United States. It final...

(Encyclopedia) New Journalism, intensely subjective approach to journalistic writing prevalent in the United States during the 1960s and 70s, incorporating stylistic techniques associated with fiction in order to pr...

(Encyclopedia) pipe smoking. The habit of smoking various substances probably arose independently in different parts of the world. Herodotus in the 5th cent. b.c. describes the Scythians as inhaling the fumes of bur...

(Encyclopedia) Chavín de Huántar chävēnˈ dā wänˈtär [key], archaeological site in the northeastern highlands of Peru, near the headwaters of the Marañon River. It flourished between c.900 b.c. and 200 b.c....

(Encyclopedia) Stenness, Loch of stĕnĕsˈ, Orcadian stānĭsˈ [key], lake on Mainland island, in the Orkneys, off N Scotland. A headland between Harray and Stenness lochs holds the Standings Stones of Stenness, a...

(Encyclopedia) Ronstadt, Linda (Linda Maria Ronstadt), 1946–, American singer, b. Tucson, Ariz. She is known for the clarity and strength of her soprano voice and for the range of song genres in which she performe...

(Encyclopedia) Andre, Carl änˈdrā [key], 1935–, American sculptor, b. Quincy, Mass. A student of Patrick Morgan and associate of Frank Stella, Andre produces sculptures of elemental form and abstract monumental...

(Encyclopedia) Great Limpopo Transfrontier Park, c.13,500 sq mi (35,000 sq km; roughly the size of Belgium), the largest multinational park in S Africa and one of the largest parks in the world, in NE South Africa, ...