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Marquesas Islands

(Encyclopedia) Marquesas IslandsMarquesas Islandsmärkāˈsäs [key], volcanic group (2002 pop. 8,712), South Pacific, a part of French Polynesia. There are 12 islands in the group, which lies c.930 mi (…

argon

(Encyclopedia) argonargonärˈgŏn [key] [Gr.,=inert], gaseous chemical element; symbol Ar; at. no. 18; at. wt. 39.948; m.p. −189.2℃; b.p. −185.7℃; density 1.784 grams per liter at STP; valence 0. Argon…

elephantiasis

(Encyclopedia) elephantiasiselephantiasisĕlˈəfăntīˈəsĭs [key], abnormal enlargement of any part of the body due to obstruction of the lymphatic channels in the area (see lymphatic system), usually…

Saint Helena

(Encyclopedia) Saint HelenaSaint Helenahəlēˈnə [key], island, 47 sq mi (122 sq km), in the S Atlantic Ocean, 1,200 mi (1,931 km) W of Africa. Together with the islands of Ascension and Tristan da…

Bougainville

(Encyclopedia) BougainvilleBougainvilleb&oomacr;ˈgənvĭl, Fr. b&oomacr;găNvēlˈ [key], volcanic island (1990 est. pop. 154,000), c.3,880 sq mi (10,050 sq km), SW Pacific, largest in the Solomon…

Idaho

  Idaho State Information Capital: Boise Official Name: State of Idaho Organized as a territory/republic: March 3, 1863 Entered Union (rank): July 3, 1890 (43rd state) Present constitution…

Atlantic Ocean

(Encyclopedia) CE5 Atlantic Ocean [Lat.,=of Atlas], second largest ocean (c.31,800,000 sq mi/82,362,000 sq km; c.36,000,000 sq mi/93,240,000 sq km with marginal seas). The North Atlantic Ocean…

Pacific Ocean

(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…

Geology of the Grand Canyon: The Eocene.

THE CRETACEOUS.THE EOCENE.The foreground of the picture is full of strength and animation. At our feet is the brink of a precipice where the profiles descend 800 feet upon rugged sloped…