Positions of troops compiled and added for the government by John B. Bachelder.; "The survey was ordered by Brevet Major General A.A. Humphreys, Chief of Engineers, and conducted under Brevet Major General G.K. Warren, Major of Engineers."; Relief shown by form lines and spot heights.
72 x 68 centimeters
Scale 1:12,000; 1 inch represents 1000 feet
General Map Collection