Columbia Encyclopedia

(Encyclopedia) Yellowstone National Park, 2,219,791 acres (899,015 hectares), the world's first national park (est. 1872), NW Wyo., extending into Montana and Idaho. It lies mainly on a broad plateau in the Rocky Mt...

(Encyclopedia) Tuva Republic or Tyva Republic both: to͞oˈvə, Rus. to͞oväˈ, Tuvan to͞owäˈ [key], constituent republic (1990 est. pop. 366,000), 65,830 sq mi (170,500 sq km), extreme S Siberian Russia, on the...

(Encyclopedia) Guienne, Fr. Guyenne both: gēĕnˈ, gwē– [key], region of SW France. The name referred to different territories at different times. Guienne as it existed from the time of Henry IV (late 16th–ear...

(Encyclopedia) Ethiopian Highlands, rugged plateau region of E Africa, covering about two thirds of Ethiopia. It is divided into two massifs by the Great Rift Valley; the Amhara, or Ethiopian Plateau, is the larger ...

(Encyclopedia) Appalachian Mountains ăpəlāˈchən, –chēən, –lăchˈ– [key], mountain system of E North America, extending in a broad belt c.1,600 mi (2,570 km) SW from the Gaspé Peninsula in Quebec prov....

(Encyclopedia) Celaenae sĭlēˈnē [key], ancient city of Asia Minor, in Phrygia, near the source of the Maeander River, in present-day W central Turkey. In the days of the Persian Empire, Cyrus the Great had a pal...

(Encyclopedia) Speed, John, 1552?–1629, English historian and cartographer. He abandoned his trade as a tailor to engage in mapmaking. Many of his maps of parts of England and Wales were published in The Theatre o...

(Encyclopedia)  CE5 Pacific Ocean, largest and deepest ocean, c.70,000,000 sq mi (181,300,000 sq km), occupying about one third of the earth's surface; named by the explorer Ferdinand Magellan; the southern part i...

(Encyclopedia) Tennessee Valley Authority (TVA), independent U.S. government corporate agency, created in 1933 by act of Congress; it is responsible for the integrated development of the Tennessee River basin. The h...

(Encyclopedia) Nafud nĕfo͞odˈ [key], desert area in the northern part of the Arabian peninsula, occupying a great oval depression; 180 mi (290 km) long and 140 mi (225 km) wide. This area of red sand is surrounde...