Английская Википедия:Benjamin Banneker: SW-9 Intermediate Boundary Stone

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Шаблон:Use mdy dates Шаблон:Infobox NRHP Benjamin Banneker: SW 9 Intermediate Boundary Stone, also known as an Intermediate Stone of the District of Columbia, is a surveyors' boundary marker stone. The stone is located on the original boundary of the District of Columbia (see: Boundary markers of the original District of Columbia and History of Washington, D.C.) The stone is now on the boundary of Arlington County, Virginia and the City of Falls Church. It is within the two jurisdiction's Benjamin Banneker Park at 6620 18th Street North, Arlington.[1][2]

The marker stone was named and declared a National Historic Landmark in 1976 at the instigation of the Afro-American Bicentennial Corporation. The name of the marker honors Benjamin Banneker, a free African American astronomer who in 1792 assisted in the early part of the survey that established the original boundaries of the District of Columbia.[3][4][5] The stone was the first of the District of Columbia boundary markers to be listed on the National Register of Historic Places.

Description and history

Файл:DC SW9 Milestone 2017b.jpg
The Virginia side of the marker

The boundary stone is a sandstone block about Шаблон:Convert square in cross section, extending about Шаблон:Convert above ground and probably about Шаблон:Convert below ground.[5] The top is rounded and worn.[5] Standardized inscriptions placed on each side of the stone are only partially visible, due in part to the stone's sinking over time.[1][5]

The words "Jurisdiction of the United States" are inscribed on the northeast side, which faced the federal territory (once the District of Columbia; now Arlington County). The opposite side now facing the City of Falls Church contains the remnant of the word "Virginia". Between those two sides, one side contains the year "1791", while the opposite side contains the remnant of an inscription recording the variation of the compass needle at the stone's location (indicated as "Var.").[6] A brass marker was once mounted top of the stone, placed in early 1900s by the Daughters of the American Revolution; it has since been removed.[5]

Benjamin Banneker (1731-1806) was a free African American mathematician and astronomer who assisted Andrew Ellicott during the first three months of the 1792 — 1793 survey of the District of Columbia's original boundaries.[7] The stone is one of 40 markers that once lined the District's boundaries.[1][2] Banneker had left the survey before Ellicott's team laid this and most of the other boundary marker stones.[8]

See also

References

Шаблон:Reflist

Шаблон:Commons category Шаблон:National Register of Historic Places

  1. 1,0 1,1 1,2 Шаблон:Cite web
  2. 2,0 2,1 Шаблон:Cite web
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  5. 5,0 5,1 5,2 5,3 5,4 Шаблон:Cite web and Шаблон:Cite web
  6. (1) Шаблон:Cite book At HathiTrust Digital Library
    (2) Шаблон:Cite web
  7. (1) Шаблон:Cite book
    (2) Шаблон:Cite web
  8. Шаблон:Cite book