#4 – McDowell’s Plan

30 10 2007

 

CORRESPONDENCE, ORDERS, AND RETURNS RELATING TO OPERATIONS IN MARYLAND, PENNSYLVANIA, VIRGINIA, AND WEST VIRGINIA FROM APRIL 16 TO JULY 31, 1861

UNION CORRESPONDENCE, ETC.–#4

O.R.– SERIES I–VOLUME 2 [S# 2] — CHAPTER IX pp 719-721

HDQRS. DEPARTMENT NORTHEASTERN VIRGINIA,

Arlington, June(*) –, 1861

 Lieut. Col. E. D. TOWNSEND,

Asst. Adjt. Gen., Headquarters of the Army:

COLONEL: I have the honor to submit the following plan of operations, and the composition of the force required to carry it into effect, in compliance with the verbal instructions of the General-in-Chief:

The secession forces at Manassas Junction and its dependencies are supposed to amount at this time to–

Infantry          23,000

Cavalry          1,500

Artillery           500

Total               25,000

We cannot count on keeping secret our intention to overthrow this force. Even if the many parties intrusted with the knowledge of the plan should not disclose or discover it, the necessary preliminary measures for such an expedition would betray it; and they are alive and well informed as to every movement, however slight, we make. They have, moreover, been expecting us to attack their position, and have been preparing for it. When it becomes known positively we are about to march, and they learn in what strength, they will be obliged to call in their disposable forces from all quarters, for they will not be able, if closely pressed, to get away by railroad before we can reach them. If General J. E. Johnston’s force is kept engaged by Major-General Patterson, and Major-General Butler occupies the force now in his vicinity, I think they will not be able to bring up more than ten thousand men. So we must calculate on having to do with about thirty-five thousand men.

The objective point in our plan is the Manassas Junction. This is covered by the enemy’s troops stationed at Centreville, Germantown, Fairfax Court-House, Fairfax Station, a place between Fairfax Station and Sangster’s, and on the Occoquan. The position at Manassas may be reached by four routes: First, by the Leesburg stone road, Georgetown turnpike, and Loudoun and Hampshire Railroad, via Falls Church and Vienna; second, by way of the Little River turnpike and Fairfax Court-House; third, by way of the Orange and Alexandria Railroad; fourth, by way of the road south of the Orange and Alexandria road.

There is a fifth approach, from Dumfries or Evansport, by way of Brentsville, a march of about twenty-two miles, but the starting point is too far from the main direct approach to admit of its being used in the first instance without a superabundance of force. The country lying between the two armies is mostly thickly wooded, and the roads leading across it, except the turnpikes and railroads, are narrow, and in places sunken by the wear of travel and wash of rains. This makes it necessary to have the fewest possible number of carriages of any kind, and our forces, therefore, though the distance is short, will have to move over several lines of approach in order to get forward in time a sufficient body to operate with success. The Loudoun and Hampshire road is in working order as far as within five miles of Vienna, and no doubt could soon be repaired to that place. The Orange and Alexandria road, which I propose to look to as the main channel of supply, is now in working order some seven miles out of Alexandria, and from Manassas Junction to within fifteen miles of Alexandria. In the intermediate space the road has been destroyed as effectively as possible, and a long deep cut filled in with trees and earth. Nevertheless, all these obstacles can soon be removed with plenty of force and an adequate supply of proper materials.

Leaving small garrisons in the defensive works, I propose to move against Manassas with a force of thirty thousand of all arms, organized into three columns, with a reserve of ten thousand. One column to move from Falls Church or Vienna (preferably the latter), to go between Fairfax Court-House and Centreville, and, in connection with another column moving by the Little River turnpike, cut off or drive in (the former, if possible) the enemy’s advanced posts. The third column to move by the Orange and Alexandria Railroad, and leaving as large a force as may be necessary to aid in rebuilding it, to push on with the remainder to join the first and second columns.

The enemy is said to have batteries in position at several places in his front, and defensive works on Bull Run and Manassas Junction. I  do not propose that these batteries be attacked, for I think they may all be turned. Bull Run, I am told, is fordable at almost any place. After uniting the columns this side of it, I propose to attack the main position by turning it, if possible, so as to cut off communications by rail with the South, or threaten to do so sufficiently to force the enemy to leave his intrenchments to guard them; if necessary, and I find it Can be done with safety, to move a force as far as Bristoe, to destroy the bridge at that place.

I cannot learn that the enemy has any magazines at the Junction, and I am under the impression he receives his supplies, except fresh beef, from the south by the railroad. I am told that on most of the approaches abatis have been made and other preparations to obstruct the advance of our troops, and, as the roads are mostly through woods, and are narrow, it will be necessary the Army should go, in the first place, as free from baggage as possible-no tents; provisions only in the haversack; the only wagons being those necessary for carrying axes, spades, and picks, and ammunition for the infantry, and ambulances for the sick and wounded. A subsistence train should be ready in Alexandria to go by the Little River turnpike in case the Orange and Alexandria road cannot be repaired, and another should be ready at Vienna, under the guard to be left there, for the use of the column moving from that point, in case it should fail to reach in time the Orange and Alexandria road or the Little River turnpike, or the latter should not in time be cleared of the enemy.

Believing the chances are greatly in favor of the enemy’s accepting battle between this and the Junction, and that the consequences of that battle will be of the greatest importance to the country, as establishing the prestige in this contest on the one side or the other–the more so as the two sections will be fairly represented by regiments from almost every State–I think it of great consequence that, as for the most part our regiments are exceedingly raw and the best of them, with few exceptions, not over steady in line, they be organized into as many small fixed brigades as the number of regular colonels will admit, these colonels commanding brigades to be assisted by as many regular officers as can be collected for the purpose, so that the men may have as fair a chance as the nature of things and the comparative inexperience of most will allow.

If the three companies of artillery in this department are furnished with batteries, we shall have with the three regular and three volunteer batteries here and in Washington a sufficiency of artillery; though, if the nature of the country did not make it embarrassing, I would, on account of the confidence it gives new troops, have still more. Fortunately, the country is so wooded that our deficiency in cavalry will be the less felt. We shall need all we have for the ordinary work of escorts, advance pickets, &c. I think every arrangement should be made, that when the columns take up their line of march no step be taken in retreat, but that they should press forward to the ultimate point steadily and determinedly. If they are well led I think they will do so, and with every chance of success.

I have the honor to be, very respectfully, your obedient servant,

 IRVIN McDOWELL,

Brigadier-General, Commanding

* About June 24, 1861

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5 responses

30 10 2007
Sherman’s Forgotten General « Bull Runnings

[...] Despite conventional wisdom (again), the above is not true with regards to McDowell’s plan.  Patterson’s actions were designed and directed by Scott, not McDowell.  In addition, Melton’s analysis employs some hindsight.  While it was true that McDowell’s force outnumbered that of Beauregard in June, his planconsidered that the Confederacy would forward all available troops exclusive of Johnston to Manassas.  McDowell’s plan can be found in War of the Rebellion: Official Records of the Union and Confederate Armies (ORs), Series I, Vol. 2, pp 719-721.  In this plan, written about June 24, McDowell uses some sound logic to deduce how many men the Confederacy might muster to face him, and at the same time give the lie to the notion that the rebels would need to rely on intelligence from folks like Rose Greenhow to track the movements of the enemy (see the whole plan here): [...]

29 11 2007
Why McDowell? « Bull Runnings

[...] don’t get me wrong: I think McDowell possessed a good deal of common sense, as demonstrated here in his assessment of the situation in his plans for the advance on Manassas, and later in his [...]

22 05 2009
Spin is a Beautiful (and Lasting) Thing « Bull Runnings

[...] So if McDowell anticipated facing 27,000 or so, his argument holds water.  But as noted in his plan, McDowell estimated the Confederate strength would equal (after reinforcements from all available [...]

5 11 2009
Irvin McDowell in America’s Civil War Magazine « Bull Runnings

[...] spell defeat for the Federal forces?”  No, what I’m saying is that McDowell’s plan, while assuming Patterson’s success, did not depend on it; because, as I explained here, the [...]

14 03 2011
Civil War Trust “Hallowed Ground” Spring 2011 « Bull Runnings

[...] the force he expected to meet at Manassas (emphasis and brackets mine; you can read the whole thing here): The secession forces at Manassas Junction and its dependencies are supposed to amount at this [...]

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