Map depicts the siege of Fort Wagner, Morris Island, Charleston Harbor, S.C. Details include the locations of swamps, marshes, and sand ridges, and the elaborate earthworks and trenches constructed by Union troops under Gen. Q. A. Gillmore as they prepared to lay siege to the fort.
Detail of Morris Island, Charleston Harbor, Charleston S.C., showing Confederate Fort Wagner being shelled by the U.S.S. Monitor. Also shown is the daylight assault of Gen. George C. Strong against the heavily-defended fort. Strong's forces were quickly repulsed and with great loss of life.