"Earth, timber"@en . . . "Fort Woodbury"@en . . . "38.89016723632812"^^ . . . . . . . . "1112941040"^^ . "the Civil War defenses of Washington, D.C."@en . . . . . "Fort Woodbury was part of the Arlington Line, an extensive network of fortifications erected in present-day Arlington County, Virginia to protect Washington, D.C. from Confederate attack during the American Civil War. Construction began on the Arlington Line in May 1861, shortly after war broke out, and accelerated after the Union's defeat at the First Battle of Bull Run in July 1861."@en . "United States District of Columbia street"@en . "8840776"^^ . . "Fort Woodbury"@en . . . . "3223"^^ . . . . "1861"^^ . "Fort Woodbury was part of the Arlington Line, an extensive network of fortifications erected in present-day Arlington County, Virginia to protect Washington, D.C. from Confederate attack during the American Civil War. Construction began on the Arlington Line in May 1861, shortly after war broke out, and accelerated after the Union's defeat at the First Battle of Bull Run in July 1861."@en . . . . "1861"^^ . . . "Earthwork fort"@en . . . . . . . . . . . . . "POINT(-77.083778381348 38.890167236328)"^^ . . . . "Residential Area"@en . . "1861" . . "-77.08377838134766"^^ . . . . . . . . . "38.890166666666666 -77.08377777777778" . "Fort Woodbury"@en . . . . . . . "1865"^^ . . . . .