Map of Monocacy, Md., and vicinity.
In this section of an unidentified printed map, Sneden shows just how close Early's men got to the Federal capitol. Several skirmishes are indicated, including Early and McCausland's cavalry battle on July 8th and the position of Confederate forces south of Rockville, Md., July 11-12, 1864.
Map showing vicinity of battlefield of Antietam Md.
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.
Sneden, Robert Knox
Battle of Antietam, Md.
In this extremely detailed map, Sneden indicates the locations of roads, bridges, the Chesapeake and Ohio Canal, houses, barns, ploughed fields, and the Antietam Iron Works. The Union and Confederate signal stations are also noted. The line of battle is located east of the town of Sharpsburg on September 16; encompassing the town on September 17 (after the actual battle); and to the west...
The Battle of Antietam, Septr. 16th-17th, 1862.
In this detail from a printed map, Sneden shows the movement of the Lee's Confederate line at the battle of Antietam. On September 16 the Confederates are shown east of Sharpsburg. On September 17, after a day of intense fighting, the Confederates have pulled back slightly to just outside the town of Sharpsburg. On September 18 they are shown moving toward Shepherdstown, W. Va.