...y landings at the Grimballs on either side of the Stono River, to take the rebel batteries at its mouth in the rear; and after thus opening the river to our gunboats, to dash across the lower part of James Island to Fort Johnson, from which point or from Lanton's Place, one or two miles west, Charleston could be shelled at short-range, and Cummings Point, on the right, could afterward be secured for breaching...