V Corps (Porter): 21,000; I, II, VI, IX, XII Corps + Cav. Div.: 74,234; 3rd Div./V Corps: 7,000; Total Union strength: 102,234 Further information: Official Records, Series I, Volume XIX, Part 1, p. 67, 374 and Official Records, Series I, Volume XIX, Part 2, p. 264.
Official Records, Series I, Volume XIX, Part 1, p. 204
Official Records, Series I, Volume XIX, Part 1, p. 549
10,291 Confederate casualties: 1,567 killed and 8,724 wounded for the entire Maryland campaign. See: Official Records, Series I, Volume XIX, Part 1, pp. 810–13.