...e afternoon of August fourth, Gen. Williams called the attention of the commandants of regiments and batteries to the probability of an attack at an early hour in the morning. The Fourteenth Maine, Col. A. Nickerson ; the Twenty-first Indiana, under Lieut.-Colonel Keith; the Sixth Michigan, under Acting Lieut.-Colonel Clark, and Seventh Vermont, Col. Roberts, were encamped, the first with its right resting on the...