. Arlington, national cemetery. Alternate Title: Civil War Unknowns Monument, which commemorates the dead of the Second Battle of Bull Run and the Union retreat along the Rappahannock River. At Arlington National Cemetery in Arlington County, Virginia, United States. Depicted date: 1866. Coverage: 1866. Source Imprint: 1864?-1925. Digital item published 3-9-2006; updated 2-13-2009. 22 Arlington, national cemetery, by Bell & Bro. (Washington, ) 2

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Keywords: ., 1864?-19, 1866., coverage, date, depicted, imprint, source