Ku qor sii socodka faqradan - Dib-u-habeyn la leh cadowga maalinta xigta (Agoosto 30), 48th Pennsylvanians waxay la kulmeen dagaal aad u daran intii lagu jiray Dagaalkii Chantilly
(Sebtember 1), oo inta lagu gudajiray 48th Pennsylvania ayaa mar kale lagu meeleeyay dhanka midig ee Ciidanka Midowga. Waxaa lagu amray Alexandria ka dib markii dagaalka la soo gabagabeeyay, guutada waxaa dib loogu magacaabay Ololaha Maryland (Sebtember 4<unk>20). Ka dib markii ay mar kale ku dagaalameen meel u dhow Fox's Pass ee Dagaalkii South Mountain (14 Sebtember), Monaghan iyo 48aad Pennsylvania waxay ku adkeysteen rabshadaha Dagaalkii Antietam (17 Sebtember). Ka dib markii ay cadowga la dagaalameen subaxaas Burnside's Bridge, waxay hoggaamiyeen Guutada 1aad ee raacday ciidamada CSA iyada oo loo marayo Sharpsburg iyo hareeraheeda hareeraheeda iyadoo ay ku hoos jiraan madaafiic culus oo cadaw ah iyo rasaas. Iyagoo sii waday socodka iyo isku dhaca marba marka ka dambeysa cadowga oo dhacaya, waxay mar kale ku dagaalameen Dagaalkii Fredericksburg (December 11-15).