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American

(Encyclopedia)American, river, 30 mi (48 km) long, rising in N central Calif. in the Sierra Nevada and flowing SW into the Sacramento River at Sacramento. The discovery of gold at Sutter's Mill (see Sutter, John Au...

Northeast Boundary Dispute

(Encyclopedia)Northeast Boundary Dispute, controversy between the United States and Great Britain concerning the Maine–New Brunswick boundary. The treaty of 1783 ending the American Revolution had described the n...

Hoosac Range

(Encyclopedia)Hoosac Range ho͞oˈsək [key], southern continuation of the Green Mts., NW Mass. and SW Vt., running from north to south. Its maximum height is c.3,000 ft (910 m). The Hoosac railroad tunnel, c.5 mi ...

Front Range

(Encyclopedia)Front Range, an eastern range of the U.S. Rocky Mts., bordering the Great Plains and extending c.300 mi (480 km) S from SE Wyo. to the Arkansas River, S central Colo. It has several peaks, including G...

Dividing Range

(Encyclopedia)Dividing Range: see Great Dividing Range. ...

Drakensberg Range

(Encyclopedia)Drakensberg Range dräˈkənzbûrg, Afrik. –bĕrkh [key], South Africa and Lesotho, extending 700 mi (1,127 km) NE–SW in Limpopo, Mpumalanga, KwaZulu-Natal, Lesotho, and Free State. The Zulu name ...

Darling Range

(Encyclopedia)Darling Range, Western Australia state, Australia, at the edge of the Western Plateau, extending 200 mi (322 km) parallel with the southwest coast and rising to 1,910 ft (582 m) in Mt. Cooke. Gold and...

Presidential Range

(Encyclopedia)Presidential Range, group of the White Mts., N N.H., so called from the names of its peaks. Mt. Washington (6,288 ft/1,917 m) is the highest peak in New Hampshire; a meteorological station is at the s...

Park Range

(Encyclopedia)Park Range, part of the Rocky Mts., central Colo. and S Wyo., extending N from the Colorado River. Mt. Lincoln (14,284 ft/4,354 m) is the highest peak. ...

radio range

(Encyclopedia)radio range, geographically fixed radio transmitter that radiates coded signals in all directions to enable aircraft and ships to determine their bearings. An aircraft or ship can determine its line o...