War of the Rebellion: Serial 045 Page 0420 N. C., VA., W. VA., MD., PA., ETC. Chapter XXXIX.

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advance against us, remains to be seen. With Buford at Gettysburg and Mechanicstown, and a regiment in front of Emmitsburg, you ought to be advised in time of their approach. In case of an advance in force either against you or Howard at Emmitsburg, you must fall back to that place, and I will re-enforce you from the corps nearest to you, which are Sickle's, at Taneytown, and Slocum's, at Littlestown. You are advised of the general position of the army. We are as concentrated as my present information of the position of the enemy justifies. I have pushed out the cavalry in all directions to feel for them, and so soon as I can make up any positive opinion as to their position, I will move again. In the meantime, if they advance against me, I must concentrate at that point where they show the strongest force. Please get all the information you can, and post yourself up in the roads and routes of communication. The only news we have beyond yours is that Stuart, with a large cavalry force, was in Westminster last night, and moved toward Gettysburg. Supposed the same force that has been ravaging in our rear.

Truly, yours,



P. S. -If, after occupying your present position, it is your

judgement that you would be in better position at Emmitsburg than where you are, you can fall back without waiting for the enemy or further orders. Your present position was given more with a view to an advance on Gettysburg, than a defensive point.

Headquarters Army of the Potomac,

June 30, 1863.

Commanding Officer Third Corps:

The commanding general noticed with regret the very slow movement of your corps yesterday. It is presumed you marched at an early hour, and up to 6 p. m. the rear of your column had not passed Middleburg, distant from your camp of the night before some 12 miles only. This, considering the good condition of the road and the favorable state of the weather, was far from meeting the expectation of the commanding general, and delayed to a very late hour the arrival of troops and trains in your rear. The Second Corps in the same space of time made a march nearly double your own. Situated as this army now is, the commanding general looks for rapid movements of the troops.

Very respectfully,


Assistant Adjutant-General.

Headquarters Army of the Potomac,

June 30, 1863.

Commanding Officer Twelfth Corps:

The major-general commanding directs that you acquaint yourself thoroughly with the roads, lanes, and by-paths between your posi-