Category:Approaches and defenses of Knoxville, Tennessee, 1864
Map showing the defenses of Knoxville, Tennessee, USA, in late 1863 and 1864, based on a survey by Captain Orlando Poe.
Library of Congress title: "Topographical Map of the Approaches and Defences of Knoxville, E. Tennessee, shewing the positions occupied by the United States & Confederate Forces During the Siege. Surveyed by Direction of Capt. O.M. Poe, Chf. Engr., Dept. of the Ohio, during Dec., Jan. and Feb. 1863-4. Published by authority of the Hon. Secretary of War in the office of the Chief of Engineers, U.S. Army."