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Antietam Campaign Map for

11 September 1862

Jackson Nears Martinsburg

Battlefield Map: click on a unit for more information about it

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The Situation on 11 September: During the second day out of Frederick, three Confederate columns are on the way to their assigned positions around Harpers Ferry: Jackson takes a longer route than planned, crosses the Potomac at WIlliamsport, and ends the day north and west of Martinsburg; McLaws enters Pleasant Valley; and Walker spends the day resting across the Potomac from Point of Rocks.

DH Hill's Division marches out of Frederick on the 11th and camps just west of Middletown. Gen Lee accompanies the remaining units of Longstreet's Command to near Hagerstown.

General Stuart's Cavalry pull back to positions behind the Monocacy: Munford above Urbana, Hampton in Frederick, and Fitz Lee, after a gallop to Liberty, just west of the river, north of town.

Ahead of McClellan's Army of the Potomac, Federal Cavalry is pushing toward Frederick. They cross Sugar Loaf Mountain, occupy Urbana, and advance beyond New Market on the National Road.

The Union Infantry pushes forward on left and right, moving on Frederick while keeping both Baltimore and Washington covered. On the left, Couch's Division moves up to Poolesville, and Franklin's VI Corps ends the day at Barnesville. Burnside's right wing advances north and west to hit the National Road east of New Market.

Units on this Map:

7th Virginia Cavalry
A. P. Hill's Light Division
Anderson's Division
Army of Northern Virginia
D. H. Hill's Division
Ewell's Division
Hampton's Brigade
Jackson's Command
Jackson's Division
Lee's Brigade
Longstreet's Command
McLaws' Division
Robertson's (Munford's) Brigade
Stuart's Cavalry Division
Toombs' Brigade
Walker's Division

1st Division, 4th Corps
2nd Division, 5th Corps
Army of the Potomac
Cavalry Division
Fifth Army Corps
First Army Corps
Ninth Army Corps
Second Army Corps
Sixth Army Corps
Twelfth Army Corps

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