... he pushed on, amid swamps and sands, with the city of Savannah, where Hardee was in command, as his chief object. Kilpatrick and Baird covered the rear of the wing columns between the Ogeechee and Savannah rivers. There was some skirmishing, but no Confederates in force were seen until within 15 miles of Savannah. All the roads leading into that city were obstructed by felled trees, earthworks, and...