History of Antietam National Cemetery (page 19)
should be here mentioned, is, that a person occupying a position in the centre of the grounds, with his face turned to any point of the compass, can, with a good field glass, read the inscription on every head-board contained therein. As yet no uniform character of head and foot-stones have been adopted by the Board, but a general plan for marking all the graves in a proper and suitable manner will, in a short period, be decided upon, when the present temporary and imperfect stones, and monuments erected by friends, will be removed.