Shows the area west from Cumberland, Md., east to Hanover, Pa. The maps also show the area surrounding the Antietam battlefield including Hopewell, Pa., to the north down to Winchester, Va., in the south. Despite the indication of Maryland in the lower left of the image, it actually depicts parts of Virginia and West Virginia.
Regional view shows paths taken by different segments of the Union army on a march from Frederick, Md., to Gettysburg, Pa., as well as the location of the Confederate army units in the vicinity. The Union troops were under the commands of Reynolds, Howard, Sickles, Slocum, Hancock, Sykes and Gregg.