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crater

(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...

Malheur Lake

(Encyclopedia)Malheur Lake, c.15 mi (25 km) long and up to 5 mi (8 km) wide, in Harney Basin, SE Oreg. It receives the basin's interior drainage. A national wildlife refuge is there. ...

Tarim

(Encyclopedia)Tarim dārēmˈ [key], Mandarin Dayan, chief river of Xinjiang Uygur Autonomous Region, NW China, c.1,300 mi (2,090 km) long, formed by the union of the Aksu and the Yarkant rivers at the western end ...

Minusinsk

(Encyclopedia)Minusinsk mēno͞osēnskˈ [key], city (1989 pop. 73,000), S central Siberian Russia, in Krasnoyarsk Territory, in the Minusinsk basin and on the Yenisei River. Founded in 1822, it is a river port and...

Cheyenne, river, United States

(Encyclopedia)Cheyenne, river, 527 mi (848 km) long, rising in E Wyo. and flowing NE to the Missouri River near Pierre, S.Dak. The Cheyenne basin is part of the Missouri River basin project. The U.S. Bureau of Recl...

Annapolis, river, Canada

(Encyclopedia)Annapolis, river, c.75 mi (120 km) long, rising in W Nova Scotia, Canada, and flowing SW past Annapolis Royal to Annapolis Basin, an arm of the Bay of Fundy. The entrance to the basin, bordered by cli...

Feather

(Encyclopedia)Feather, river, 80 mi (129 km) long, rising in three forks in the Sierra Nevada, uniting N of Oroville, Calif., and flowing S into the Sacramento River, N of Sacramento, Calif. The Feather River basin...

Smoky Hill River

(Encyclopedia)Smoky Hill River, c.560 mi (900 km) long, rising on the Great Plains, E Colo., and flowing E across Kansas to join the Republican River and form the Kansas River at Junction City. The Saline River is ...

Shoshone project

(Encyclopedia)Shoshone project, NW Wyo., near the Mont. line and in the Shoshone River basin. Developed by the U.S. Bureau of Reclamation, it irrigates a large portion of land and has four divisions. The project is...

Massif Central

(Encyclopedia)Massif Central mäsēfˈ säNträlˈ [key] [Fr.,=central highlands], great mountainous plateau, c.33,000 sq mi (85,470 sq km), S central France, covering almost a sixth of the surface of the country. ...