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Arlington, county, United States

(Encyclopedia)Arlington, county (2020 pop. 238,643), N Va., across the Potomac River from Washington, D.C. Arlington is a residential and commercial suburb of Washington. Within its boundaries are Arlin...

Ohio, river, United States

(Encyclopedia)Ohio, river, 981 mi (1,579 km) long, formed by the confluence of the Allegheny and Monongahela rivers in SW Pa., at Pittsburgh; it flows northwest, then generally southwest to enter the Mississippi Ri...

New York, city, United States

(Encyclopedia)New York, city (2020 pop. 8,336,817), land area 304.8 sq mi (789.4 sq km), SE N.Y., largest city in the United States and one of the largest in the worl...

United States Naval Observatory

(Encyclopedia)United States Naval Observatory, a federal astronomical observatory, located in Washington, D. C. It evolved from the Navy's oldest scientific institution, the Depot of Charts and Instruments, founded...

Transportation, United States Department of

(Encyclopedia)Transportation, United States Department of, executive department of the U.S. government, established by the Department of Transportation Act of 1966. Its chief executive officer, the secretary, is a ...

United States Merchant Marine Academy

(Encyclopedia)United States Merchant Marine Academy, at Kings Point, N.Y.; for the training of merchant marine officers; established 1936, opened 1943. The academy became coeducational in 1974. Candidates must be b...

Connecticut, river, United States

(Encyclopedia)Connecticut, longest river in New England, 407 mi (655 km) long, rising in the Connecticut Lakes, N N.H., near the Quebec border, and flowing S along the Vt.-N.H. line, then across Mass. and Conn. to ...

Supreme Court, United States

(Encyclopedia)CE5 Supreme Court, United States, highest court of the United States, established by Article 3 of the Constitution of the United States. With the emergence of a working conservative majority,...

Rock Island, city, United States

(Encyclopedia)Rock Island, city (1990 pop. 40,552), seat of Rock Island co., NW Ill., on the Mississippi and Rock rivers, adjacent to Moline and opposite Davenport, Iowa; inc. 1841. These three cities, with Bettend...

Georgia, state, United States

(Encyclopedia)CE5 Georgia jôrˈjə [key], state in the SE United States, the last of the Thirteen Colonies to be founded. It is bordered by Florida (S), Alabama (W), Tennessee and North Carolina (N), and South ...