...umn for quite two weeks; it swept away a pontoon bridge at Savannah, and came near drowning an entire division of the Fifteenth corps, with several heavy trains of wagons, on the way from Savannah to Pocotaligo by the causeways. Sherman had also difficulties to encounter at Sister's ferry, where the Savannah river was three miles wide from the flood, and it became almost impossible to cross on the frail p...