To summarize the situation, we were obliged to go into Maryland or retreat to points more convenient to supplies and the protection of Richmond.
At Leesburg Lee learned that the Union troops in the Valley had left Winchester, and sent back orders to have the crippled and feeble soldiers wending their way to the army marick City.
Riding together before we reached Frederick, the sound of artillery fire came from the direction of Point of Rocks and Harper's Ferry, from which General Lee inferred that the enemy was concentrating his forces from the Valley, for defence at Harper's Ferry, and proposed to me to organize forces to surround and captused and tied.
Upon inquiring of a member of the staff, I was told that he was inside with General Jackson.
As I had not been called, I turned to go away, when General Lee, recognizing my voice, called me in. The plan had been arranged.
Jackson, with his three divisions, was to recross the Potomac by the fords above Harper's Ferr