l Butler's) army on the James River; that, could I be
certain he would be able to invest Richmond on the south side, so as to
have his left resting on the James, above the city, I would form the
junction there; that circumstances might make this course advisable
anyhow; that he should use every exertion to secure footing as far up
the south side of the river as he could, and as soon as possible after
the receipt of orders to move; that if he could not carry the city, he
should at least detain as large a force there as possible.

In co-operation with the main movements against Lee and Johnston, I was
desirous of using all other troops necessarily kept in departments
remote from the fields of immediate operations, and also those kept in
the background for the protection of our extended lines between the
loyal States and the armies operating against them.

A very considerable force, under command of Major-General Sigel, was so
held for the protection of West Virginia, and the frontiers of Maryland
and Pennsylvania. Whilst these troops could not be withdrawn to distant
fields without exposing the North to invasion by comparatively small
bodies of the enemy, they could act directly to their front, and give
better protection than if lying idle in garrison. By such a movement
they would either compel the enemy to detach largely for the protection
of his supplies and lines of communication, or he would lose them.
General Sigel was therefore directed to organize all his available force
into two expeditions, to move from Beverly and Charleston, under command
of Generals Ord and Crook, against the East Tennessee and Virginia
Railroad. Subsequently, General Ord having been relieved at his own
request, General Sigel was instructed at his own suggestion, to give up
the expedition by Beverly, and to form two columns, one under General
Crook, on the Kanawha, numbering about ten thousand men, and one on the
Shenandoah, numbering about seven thousand men. The one on the
Shenandoah to assemble between Cumberland and the Shenandoah, and the
infantry and artillery advanced to Cedar Creek with such cavalry as
could be made available at the moment, to threaten the enemy in the
Shenandoah Valley, and advance as far as possible; while General Crook
would take possession of Lewisburg with part of his force and move down
the Tennessee Railroad, doing as much damage as he could, destroying the
New River Bridge and the salt-works, at Saltville,