 Ramba uchinyora ndima iyi - MuMushandirapamwe weMaryland, Chikamu chaSlocum chakabudirira kupamba rutivi rweSouth MountainpaCramptons Gap, achidzinga muvengi kubva panzvimbo yakasimba; kurasikirwa kwaSlocum kwaive 533 113 vakaurayiwa, 418 vakakuvadzwa, 2 vakashaika. PaAntietam, mauto akachengetwa ari muchengeti kunze kweColonel William Erwins brigade, iyo yakabatanidzwa mukuputika kweBloody Lane. Winfield Hancock, uyo akatungamira 1st Brigade yeWilliam F. Smiths division, akagadzwa kuti atungamire 1st Division yeII Corps mushure mekunge mutungamiri wayo Maj. Gen. Israel B. Richardson akakuvara zvakaipisisa, sezvo brigadier wepamusoro muchikamu, Brig. Gen. John C. Caldwell, aifungidzirwa kuti aive mudiki kwazvo kutungamira divi. 