...inity of the old toll-gate, while Stuart occupied the commanding Nicodemus ridge, north of Nicodemus run, from which his artillery swept the roads by which Hooker and Mansfield must advance. Lee, Longstreet and Jackson were in conference, with a map spread before them, in a house in Sharpsburg, when Stuart reported McClellan's advance, by the Williamsport road, late in the afternoon of the 16th. Jacks...