This combination image shows, top, a sketch made available by the Library of Congress of the field hospital headquarters at the Battle of Gettysburg in July 1863, and bottom, members of the Union ... more 
This combination image shows, top, a sketch made available by the Library of Congress of the field hospital headquarters at the Battle of Gettysburg in July 1863, and bottom, members of the Union Murray's Brigade setting up camp during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Thursday, June 27, 2013, in Gettysburg, Pa. (AP Photo) less 
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Associated Press
Sun, Jun 30, 2013 1:10 PM EDT