Designed by A. A. Biggs, M. D., President & Genl. Supt., Sharpsburg, 1866. Surveyed and drawn by Chas. P. Kahler, C. E., Baltimore. Kahler, Charles P. . CREATED/PUBLISHED Balto., Lith. by A. Hoen & Co., 1867. NOTES Scale 1:600. 29 “references” are keyed b