...e river; across this, and up on a very high and commanding elevation, directly in the rear of Falmouth. Captain Pettit's battery was at once placed in position on the brow of this high hill, with Zook 's brigade directly in the rear, completely secured by the natural position of the hill. At about half-past 3 the first gun was sighted and brought to bear upon the enemy, which at once brought on a...