...his sweep of the marsh, and commanding it as well as the stretch of sand beyond to the Federal line, was Battery Wagner, so named by the Confederates, in memory of Lieut.-Col. Thomas M. Wagner, First South Carolina Artillery, killed at Fort Sumter. This field work was constructed of quartz sand, with turf and palmetto log revetment, and occupied the whole width of the island there,--some six hundred and thirt...