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Mount Rushmore National Memorial

(Encyclopedia)Mount Rushmore National Memorial, 1,278 acres (518 hectares), SW S.Dak., in the Black Hills; est. 1925, dedicated 1927. There, carved on the face of the mountain and visible for 60 mi (97 km), are the...

Manassas

(Encyclopedia)Manassas mənăsˈəs [key], town (1990 pop. 27,957), seat of Prince William co., N Va., in a farm area; inc. 1873, rechartered 1938. Manassas has become a growing residential town with retail shoppin...

Charlestown, former city, United States

(Encyclopedia)Charlestown, former city, now part of Boston, Middlesex co., E Mass., on Boston Harbor, between the Mystic and the Charles rivers; settled 1629, included in Boston 1874. The oldest part of Boston, it ...

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...

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 (...

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...

Sequoia National Park

(Encyclopedia)Sequoia National Park, 402,510 acres (162,960 hectares), E central Calif.; est. 1890. In the park are 35 groves of giant sequoias, spectacular granite mountains, and deep canyons. The General Sherman ...

Olympic Mountains

(Encyclopedia)Olympic Mountains, highest part of the Coast Ranges, on the Olympic Peninsula, NW Wash. Mt. Olympus (7,965 ft/2,427 m) is the highest point in the mountains, which are composed mainly of sedimentary r...

Gila

(Encyclopedia)Gila hēˈlə [key], river, 630 mi (1,014 km) long, rising in the mountains of W N.Mex. and flowing W across Ariz. to the Colorado River at Yuma, Ariz.; the San Francisco River is its main tributary. ...

Petrified Forest National Park

(Encyclopedia)Petrified Forest National Park, 93,533 acres (37,881 hectares), E Ariz.; est. as a national monument 1906, designated a national park 1962. A part of the Painted Desert, it contains the largest known ...