... pass over the lines of the Army of Northern Virginia. These lines were held by five divisions-A. P. Hill's on the left: at Meadow Bridge, Huger's and Magruder's next, supported by Longstreet's and D. H. Hill 's. Lee at once considered the best manner to attack. The intrenchments in his front were too strong for a direct assault, so the only alternative left was to turn one or both of his enemy's flanks....