Columbia Encyclopedia

Search results

500 results found

Tonto Basin

(Encyclopedia)Tonto Basin, depression S of the Mogollon Rim, central Ariz. The wild country around Tonto Creek, which flows c.45 mi (70 km) S from the basin to enter the lake behind Roosevelt Dam, has been much cel...

Permian Basin

(Encyclopedia)Permian Basin or West Texas Basin, extensive sedimentary basin, West Texas and SE New Mexico. Covering an area of more than 75,000 sq mi (194,000 sq km), its main components are the Midland Basin on t...

Great Sandy Desert

(Encyclopedia)Great Sandy Desert, Australia's second-largest desert, c.110,000 sq mi (284,900 sq km), Western Australia and Northern Territory. Lying between the Tanami Desert (NE) and the Gibson Desert (S), it is ...

Great Salt Lake

(Encyclopedia)Great Salt Lake, shallow body of saltwater, NW Utah, between the Wasatch Range on the east and the Great Salt Lake Desert on the west; largest salt lake in North America. Fed by the Weber, Jordan, and...

Columbia basin project

(Encyclopedia)Columbia basin project, central Wash., a multipurpose development of the U.S. Bureau of Reclamation providing irrigation, hydroelectric power, and flood control. Its key unit, the Grand Coulee Dam, pr...

Khingan, Great

(Encyclopedia)Khingan, Great, mountain range, China: see Hinggan Ling, Da. ...

Great Alföld

(Encyclopedia)Great Alföld: see Alföld, plain, Hungary. ...

Great Awakening

(Encyclopedia)Great Awakening, series of religious revivals that swept over the American colonies about the middle of the 18th cent. It resulted in doctrinal changes and influenced social and political thought. In ...

Browse by Subject