September 30, 1861 (Wednesday): McClellan's Forts

Fort Stevans

http://www.nps.gov/cwdw/historyculture/upload/1865%20Historic.pdf

GENERAL ORDERS,
HDQRS. ARMY OF THE POTOMAC,

No. 18. Washington, September 30, 1861.
* * * * * * *
XI. The works in the vicinity of Washington are named as follows:
The work south of Hunting Creek, Fort Lyon.
That on Shooter's Hill, Fort Ellsworth.
That to the left of the Seminary, Fort Worth.
That in front of Blenker's brigade, Fort Blenker.
That in front of Lee's house, Fort Ward.
That near the mouth of Four Mile Creek, Fort Scott.
That on Richardson's Hill, Fort Richardson.
That now known as Fort Albany, Fort Albany.
That near the end of Long Brigade, Fort Runyon.
The work next on the right of Fort Albany, Fort Craig.
The next on the right of Fort Craig, Fort Tillinghast.
The next on the right of Fort Tillinghast, Fort Ramsay.
The work next on the right of Fort Ramsay, Fort Woodbury.
That next on the right of Fort Woodbury, Fort De Kalb.
The work in rear of Fort Corcoran and near canal, Fort Haggerty.
That now known as Fort Corcoran, Fort Corcoran.
That to the north of Fort Corcoran, Fort Bennett.
That south of Chain Bridge, on height, Fort Ethan Allen.
That near the Chain Bridge, on Leesburg road, Fort Marcy.
That on the cliff north of Chain Bridge, Battery Martin Scott.
That on height near reservior, Battery Vermont.
That near Georgetown, Battery Cameron.
That on the left of Tennallytown, Fort Gaines.
That at Tennallytown, Fort Pennsylvania.
That at Emory's Chapel, Fort Massachusetts.
That near camp of Second Rhode Island Regiment, Fort Slocum.
That on Prospect Hill, near Bladensburg, Fort Lincoln.
That next on the left of Fort Lincoln, Fort Saratoga.
That next on the left of Fort Saratoga, Fort Bunker Hill.
That on the right of General Sickles' camp, Fort Stanton.
That on the right of Fort Stanton, Fort Carroll.
That on the left towards Bladensburg, Fort Greble. 
By command of Major-General McClellan:


S. WILLIAMS,
Assistant Adjutant-General.

 Official Records, Series I., Vol. 5, Part 1, Page 611


One reason for the lack of a Union offensive in the Fall of 1861 was the resources devoted to making the capital city secure.  Thirty-two forts made up a strong defensive ring around the city, sixteen of which still exist in at least trace form (see link above).