...nd third battery. v, the route of Porter, wiih the left column, to attack the British right flank on the 17th; x, the ravine, and route of Miller's command. Mr. Lossing was indebted to the late Chief Engineer Gen. Joseph G. Totten for the manuscript map of which this is a copy. While one assailing column, by the use of ladders, was endeavoring to capture the battery, the other, failing to penetrate the abatis, because Miller...