Columbia Encyclopedia

(Encyclopedia) Ziguinchor zēgăNshôrˈ [key], city (1988 pop. 124,283), SW Senegal, a port on the Casamance River. Located in a rice-growing region, the city produces peanut oil, frozen fish, and orange juice and ...

(Encyclopedia) Tottori tōt-tōˈrē [key], city (1990 pop. 142,467), capital of Tottori prefecture, S Honshu, Japan, a port on the Sea of Japan. The city produces wood and paper items, machinery, and textiles. The ...

(Encyclopedia) Whitney, Mount, peak, 14,494 ft (4,418 m) high, E Calif., in the Sierra Nevada at the eastern border of Sequoia National Park; the highest peak in the contiguous 48 states (Denali [Mt. McKinley], Alas...

(Encyclopedia) Thingvellir thēngˈgvĕtˌlĭr [key], Icelandic Þingvellir, a wide lava plain, since 1928 a national park, the ancient place of assembly of the Icelandic Althing, which met there from 930 to 1798. I...

(Encyclopedia) Gunnison, river, 180 mi (290 km) long, rising in W central Colo. and flowing SW, W, and NW to the Colorado River at Grand Junction. It flows through magnificent canyons, notably the Black Canyon of th...

(Encyclopedia) crater, circular, bowl-shaped depression on the earth's surface. (For a discussion of lunar craters, see moon.) Simple craters are bowl-shaped with a raised outer rim. Complex craters have a raised ce...

(Encyclopedia) Sierra Club, national organization in the United States dedicated to the preservation and expansion of the world's parks, wildlife, and wilderness areas. Founded (1892) in California by a group led by...

(Encyclopedia) National Recovery Administration (NRA), in U.S. history, administrative bureau established under the National Industrial Recovery Act of 1933. In response to President Franklin Delano Roosevelt's cong...

(Encyclopedia) Audubon Society, National, one of the oldest and best-known U.S. environmental organizations; founded 1886 by George Cird Grinnell and named for John James Audubon. The nonprofit organization, which h...

(Encyclopedia) Argonne National Laboratory, research center, based in Argonne, Ill., 27 mi (43 km) SW of downtown Chicago, with other facilities at the Idaho National Engineering Laboratory, 50 mi (80 km) W of Idaho...