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Cookeville

(Encyclopedia) Cookeville, city (2020 pop. 34,842), seat of Putnam co., N central Tenn.; inc. 1854. It is a farm trade center that also produces…

cement

(Encyclopedia) cement, binding material used in construction and engineering, often called hydraulic cement, typically made by heating a mixture of limestone and clay until it almost fuses and then…

weathering

(Encyclopedia) weathering, collective term for the processes by which rock at or near the earth's surface is disintegrated and decomposed by the action of atmospheric agents, water, and living things…

Green, Anna Katherine

(Encyclopedia) Green, Anna Katherine, 1846–1935, American detective-story writer, b. Brooklyn, N.Y., grad. Ripley Female College, Poultney, Vt., 1867. Of her many thrillers, characterized by logical…

Uniondale

(Encyclopedia) Uniondale, uninc. residential city (1990 pop. 20,328), Nassau co., SE N.Y., on Long Island. Downtown suburban growth since the 1970s has included construction of the Nassau Coliseum,…

Littleton

(Encyclopedia) Littleton, city (1990 pop. 33,685), seat of Arapahoe co., N central Colo.; platted 1812, inc. 1890. It is a suburb south of Denver in an irrigated farm area. Its manufactures include…

Kaiser, Henry John

(Encyclopedia) Kaiser, Henry John, 1882–1967, American industrialist, b. Sprout Brook, N.Y. He organized his first construction company in 1913, soon entered the road-paving business, and by 1930 was…

bus

(Encyclopedia) bus [Lat. omnibus=for all], large public conveyance. A horse-drawn urban omnibus was introduced in Paris in 1662 by Blaise Pascal and his associates, but it remained in operation for…

Three Mile Island

(Encyclopedia) Three Mile Island, site of a nuclear power plant 10 mi (16 km) south of Harrisburg, Pa. On Mar. 28, 1979, failure of the cooling system of the No. 2 nuclear reactor led to overheating…

mortar, in building

(Encyclopedia) mortar, in building, mixture of lime or cement with sand and water, used as a bedding and adhesive between adjacent pieces of stone, brick, or other material in masonry construction.…