Kahler, Charles P. cartographic Maps. lcgft https://id.loc.gov/authorities/genreForms/gf2011026387 Balto., Lith. by A. Hoen & Co., 1867. eng "Entered according to Act of Congress in the year 1867 by the Board of Trustees of the 'Antietam National Cemetary' in the Clerks Office of the U.S. District Court for Maryland." 29 "references" are keyed by number to the map. Description derived from published bibliography. Scale 1:600. LC Civil War Maps (2nd ed.), Antietam National Cemetery--Maps. United States Antietam National Cemetery. Available also through the Library of Congress web site as raster image. http://hdl.loc.gov/loc.gmd/g3842a.cw0245650