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  2. Streets and highways of Washington, D.C. - Wikipedia

    en.wikipedia.org/wiki/Streets_and_highways_of...

    Facsimile of manuscript of Peter Charles L'Enfant's 1791 plan for the federal capital city (United States Coast and Geodetic Survey, 1887). [2] L'Enfant's plan for Washington, D.C., as revised by Andrew Ellicott in 1792 Thackara & Vallance's 1792 print of Ellicott's "Plan of the City of Washington in the Territory of Columbia", showing street names, lot numbers, depths of the Potoma River and ...

  3. Geography of Washington, D.C. - Wikipedia

    en.wikipedia.org/wiki/Geography_of_Washington,_D.C.

    The 1886 Charleston earthquake (magnitude 6.6 to 7.3) was felt in DC. The strongest earthquake in Virginia happened in 1897 and was felt in the District. An earthquake in 1925 in Canada, estimated about magnitude 7, was felt over 2 million square miles (5.18 million km 2). Another 6.2 earthquake in 1935 caused damage in New York and shook ...

  4. Boundary markers of the original District of Columbia

    en.wikipedia.org/wiki/Boundary_Markers_of_the...

    Map of the boundary stones. The District of Columbia (initially, the Territory of Columbia) was originally specified to be a square 100 square miles (260 km 2) in area, with the axes between the corners of the square running north-south and east-west, The square had its southern corner at the southern tip of Jones Point in Alexandria, Virginia, at the confluence of the Potomac River and ...

  5. List of United States cities by population density - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States...

    The skyscrapers of Center City, Philadelphia, the downtown part of the city, from the South Street Bridge. New York City, Chicago, and Philadelphia are the only incorporated places in the United States that have a population over 1,000,000 and a population density over 10,000 people per square mile.

  6. Washington, D.C. - Wikipedia

    en.wikipedia.org/wiki/Washington,_D.C.

    Rock Creek Park is a 1,754-acre (7.10 km 2) urban forest in Northwest Washington, which extends 9.3 miles (15.0 km) through a stream valley that bisects the city. Established in 1890, it is the country's fourth-oldest national park and is home to a variety of plant and animal species, including raccoon, deer, owls, and coyotes. [ 75 ]

  7. Washington metropolitan area - Wikipedia

    en.wikipedia.org/wiki/Washington_metropolitan_area

    One Franklin Square is where The Washington Post is headquartered. The media industry is a significant portion of metropolitan Washington's economy. According to the Bureau of Labor Statistics, the Washington DC region has the second largest concentration of journalists and media personnel in the United States after the New York metropolitan ...

  8. Downtown Dallas - Wikipedia

    en.wikipedia.org/wiki/Downtown_Dallas

    The strong organic growth of Downtown Dallas since the early 2000s and continuing into the present has now resulted in Downtown Dallas, Inc.'s expansion of the term "Downtown" to include the explosive growth occurring immediately north of the Woodall Rodgers Freeway in the Victory Park and Uptown/Turtle Creek Districts, as well as past Central ...

  9. List of state-named roadways in Washington, D.C. - Wikipedia

    en.wikipedia.org/wiki/List_of_state-named...

    The total length of the road is about 24 miles (39 km), of which 5 miles (8.0 km) are in Washington, D.C. Georgia Avenue was originally named 7th Street Extended, and later Brightwood Avenue, before receiving its present name. Prior to this, Potomac Avenue in Southeast Washington was called Georgia Avenue. 5 miles (8.0 km) Hawaii Avenue NE