...The returns of the War Department, as given by William Preston Johnston, page 685, claim that Grant's army on Sunday morning, April 6th, was only: Present for duty, 49,232; total present, 58,052. Lewis Wallace 's division was rested and in good condition, and within an hour's march of the battlefield when the action commenced; but as he did not become actually engaged on the 6th, it is contended that his di...