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Obed Wild and Scenic River

(Encyclopedia)Obed Wild and Scenic River: see National Parks and Monuments (table)national parks and monuments (table). ...

Occupational Safety and Health Administration

(Encyclopedia)Occupational Safety and Health Administration (OSHA), U.S. agency established (1970) in the Dept. of Labor (see Labor, United States Department of) to develop and enforce regulations for the safety an...

Autolycus, Greek astronomer and mathematician

(Encyclopedia)Autolycus ôtŏlˈĭkəs [key], fl. 4th cent. b.c., astronomer and mathematician of Pitane in Aeolis. Of his two extant works, that on the revolving sphere is said to be the oldest completely preserve...

Oise, river, Belgium and France

(Encyclopedia)Oise, river, 186 mi (299 km) long, rising in the Ardennes Mts., S Belgium, and flowing through N France generally SW past Compiègne to join the Seine River near Pontoise. Navigable for most of its le...

Life of Adam and Eve

(Encyclopedia)Life of Adam and Eve: see Adam and Eve, Life of. ...

man, in anthropology and biology

(Encyclopedia)man: see anthropology; human evolution; race. ...

Lexington and Concord, battles of

(Encyclopedia)Lexington and Concord, battles of, opening engagements of the American Revolution, Apr. 19, 1775. After the passage (1774) of the Intolerable Acts by the British Parliament, unrest in the colonies inc...

mace, in botany and cooking

(Encyclopedia)mace, in botany and cooking: see nutmeg. ...

Madeira, river, Bolivia and Brazil

(Encyclopedia)Madeira mədāˈrə [key], river, c.2,100 mi (3,380 km) long, formed by the junction of the Beni and Mamoré rivers on the Bolivia-Brazil border. It flows north along the border for c.60 mi (100 km), ...

Mansfield, city and district, England

(Encyclopedia)Mansfield, city (71,325) and district, Nottinghamshire, central England, on the western border of Sherwood Forest. The city lies in a coal district, with manufactures of hosiery, shoes, and metal prod...