Federal Map of Civil War Wilmington Based on a portion of a larger map prepared by Federal engineers following the capture of Wilmington. Note the abbreviated road layout. The original map accompanied an official letter of Col. William J. Twining, Chief Engineer, Department of North Carolina, June 20, 1865. Adapted from: The Wilmington Campaign and the Battles for Fort Fisher. by Mark A. Moore — (Da Capo Press, 1999).