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Battle of the Antietam
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Conveys the placement of Union and Confederate forces in Washington County, Md., around Sharpsburg during the Battle of Antietam on September 17, 1862.
Robert Knox Sneden scrapbook (Mss5:7 Sn237:1), Virginia Historical Society.
In the Robert Knox Sneden diary, 1861-1865 (v. 3, p. 929).
Courtesy of The Library of Congress
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