... was Wednesday morning, the 17th of September, before the Federal commander was able to deliver battle. Lee used every hour of his time in energetic efforts to re-unite his army. The troops about Harper's Ferry were recalled to Sharpsburg by orders suitable to the urgency of the occasion. Jackson, leaving A. P. Hill's division, marched back on the evening and night of the 15th. J. G. Walker was close beh...