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Valley Forge

(Encyclopedia)Valley Forge, on the Schuylkill River, SE Pa., NW of Philadelphia. There, during the American Revolution, the main camp of the Continental Army was established (Dec., 1777–June, 1778) under the comm...

Chesapeake and Ohio Canal

(Encyclopedia)Chesapeake and Ohio Canal, former waterway, c.185 mi (300 km) long, from Washington, D.C., to Cumberland, Md., running along the north bank of the Potomac River. A successor to the Potomac Company's (...

Medford

(Encyclopedia)Medford. 1 City (1990 pop. 57,407), Middlesex co., E Mass., a residential and industrial suburb of Boston, on the Mystic River; settled 1630, inc. as a city 1892. Wax, paper, clothing, and furniture a...

San Juan Islands

(Encyclopedia)San Juan Islands săn wän [key], archipelago of 172 islands constituting San Juan co., NW Wash., E of Vancouver Island. The islands were visited and named c.1790 by Spanish explorers. The islands wer...

Smithsonian Institution

(Encyclopedia)Smithsonian Institution, research and education center, mainly at Washington, D.C.; founded 1846 under the terms of the will of James Smithson of London, who in 1829 bequeathed his fortune to the Unit...

Anza-Borrego Desert State Park

(Encyclopedia)Anza-Borrego Desert State Park, c.639 sq mi (1,655 sq km), S Calif., occupying most of E San Diego co. and neighboring portions of Riverside and Imperial cos.; est. 1933. Part of the Colorado Desert, ...

Exmoor

(Encyclopedia)Exmoor, high moorland of the Cornwall peninsula, SW England, comprising much of Exmoor National Park (265 sq mi/686 sq km; est. 1954). Underlaid by slate and sandstone, the rugged region with wooded g...

Athabasca

(Encyclopedia)Athabasca ăthəbăsˈkə [key], river, 765 mi (1,231 km) long, rising in the Columbia snowfield of the Canadian Rockies near the Alta.–British Columbia line and flowing N through Jasper National Pa...

Muskogee

(Encyclopedia)Muskogee mŭskōˈgē [key], city (1990 pop. 37,708), seat of Muskogee co., E Okla., near the junction of the Arkansas, Verdigris, and Grand rivers; inc. 1898. It is an important transportation, trade...

Kangaroo Island

(Encyclopedia)Kangaroo Island, island, c.1,700 sq mi (4,400 sq km), S Australia, in South Australia at the entrance to Gulf St. Vincent. It is 93 mi (150 km) long and 35 mi (57 km) wide. The chief products are barl...