Relief shown by hachures. Shows disposition of troops. Diagram showing shape and height of hills: "Scale of hills. Datum line, Young's Branch at the Stone house." "Linear survey by Warder & Catlett, surveyors and publishers." "Lith. of Hoyer & Ludwig. Richmond, Va." Includes "explanations" and guide to symbols. 1 map: mounted on cloth; 52 x 44 cm Manuscript note reads "The Above map represents a portion of the field of the first battle of Bull run. It was made by the Topographical Department of the Southern Army. S. Alexander Topographer 3rd Army Corps, Army of the Potomac, Ann Arbor Mich., Oct. 18th 1905.