[Antietam, Md. Blacksmith shoeing horses at headquarters, Army of the Potomac]

Photograph from the main eastern theater of the war, Battle of Antietam, September-October 1862.Civil War photographs, 1861-1865 / compiled by Hirst D. Milhollen and Donald H. Mugridge, Washington, D.C. : Library of Congress, 1977. No. 0142Title from Milhollen and Mugridge.Forms part of Civil War glass negative collection (Library of Congress)