Surveyed by Lieut's Janney and Kossak , under the direction of Lieut. Col. J.B. McPherson, Chief Eng'r , drawn by Otto H. Matz, Ass't Top'l Eng'r. Matz, Otto H., 1830-1919. . CREATED/PUBLISHED [1862] NOTES Shows the fort, town of Dover, fortifications, “E